Add GitHub themes (#5353)

* Add github themes

* Increase contrast for hover and completion menus

* Use inheritance for the GitHub themes

1 files changed, 228 insertions, 0 deletions

diff --git a/runtime/themes/github_dark.toml b/runtime/themes/github_dark.toml
new file mode 100644
index 00000000..cdb97aa3
--- /dev/null
+++ b/runtime/themes/github_dark.toml
@@ -0,0 +1,228 @@
+# Author : OwOSwordsman <owoswordsman@gmail.com>
+# An unofficial GitHub theme, generated using colors from: https://primer.style/primitives/colors
+# Credit goes to the original VSCode theme: https://github.com/primer/github-vscode-theme
+# Only the Light and Dark variants were specifically tested
+
+attribute = "fg.default"
+keyword = "scale.red.3"
+"keyword.directive" = "scale.red.3"          # -- preprocessor comments (#if in C)
+namespace = "scale.orange.2"
+punctuation = "fg.default"
+"punctuation.delimiter" = "fg.default"
+operator = "scale.red.3"
+special = "scale.blue.1"
+"variable.other.member" = "fg.default"
+variable = "fg.default"
+"variable.parameter" = "scale.orange.2"
+"variable.builtin" = "scale.red.3"
+type = "scale.orange.2"
+"type.builtin" = "scale.blue.2"
+constructor = "scale.purple.2"
+function = "scale.purple.2"
+"function.macro" = "scale.purple.2"
+tag = "scale.green.1"
+comment = "fg.muted"
+constant = "scale.blue.2"
+"constant.builtin" = "scale.blue.2"
+string = "scale.blue.1"
+"constant.numeric" = "scale.blue.2"
+"constant.character.escape" = "scale.blue.2"
+# used for lifetimes
+label = "scale.red.3"
+
+"markup.heading" = "scale.blue.2"
+"markup.bold" = { modifiers = ["bold"] }
+"markup.italic" = { modifiers = ["italic"] }
+"markup.link.url" = { modifiers = ["underlined"] }
+"markup.link.text" = { fg = "scale.blue.1", modifiers = ["underlined"] }
+"markup.raw" = "scale.blue.2"
+
+"diff.plus" = "open.fg"
+"diff.minus" = "closed.fg"
+"diff.delta" = "attention.fg"
+
+"ui.background" = { bg = "canvas.default" }
+"ui.background.separator" = { fg = "fg.subtle" }
+"ui.linenr" = { fg = "fg.subtle" }
+"ui.linenr.selected" = { fg = "fg.default" }
+"ui.statusline" = { fg = "fg.muted", bg = "scale.gray.7" }
+"ui.statusline.active" = { fg = "fg.default", bg = "canvas.default", underline = { color = "scale.coral.3", style = "line" } }
+"ui.statusline.normal" = { fg = "fg.default", bg = "accent.muted" }
+"ui.statusline.insert" = { fg = "fg.default", bg = "attention.muted" }
+"ui.statusline.select" = { fg = "fg.default", bg = "sponsors.muted" }
+"ui.popup" = { bg = "scale.gray.8" }
+"ui.popup.info" = { fg = "fg.default", bg = "canvas.overlay" }
+"ui.window" = { fg = "border.default" }
+"ui.help" = { fg = "fg.default", bg = "canvas.overlay" }
+
+"ui.text" = { fg = "fg.muted" }
+"ui.text.focus" = { fg = "fg.default" }
+"ui.text.inactive" = "fg.subtle"
+"ui.virtual" = { fg = "scale.gray.6" }
+
+"ui.selection" = { bg = "scale.blue.8" }
+"ui.selection.primary" = { bg = "scale.blue.7" }
+"ui.cursor.match" = { fg = "attention.fg", modifiers = [
+    "bold",
+], underline = { style = "line" } }
+"ui.cursor" = { modifiers = ["reversed"] }
+"ui.cursorline.primary" = { bg = "canvas.subtle" }
+
+"ui.menu" = { fg = "fg.default", bg = "canvas.overlay" }
+"ui.menu.selected" = { bg = "scale.gray.4" }
+"ui.menu.scroll" = { fg = "scale.gray.5", bg = "canvas.overlay" }
+
+"diagnostic.hint" = { underline = { color = "success.fg", style = "curl" } }
+"diagnostic.info" = { underline = { color = "accent.fg", style = "curl" } }
+"diagnostic.warning" = { underline = { color = "attention.fg", style = "curl" } }
+"diagnostic.error" = { underline = { color = "danger.fg", style = "curl" } }
+
+hint = "success.fg"
+info = "accent.fg"
+warning = "attention.fg"
+error = "danger.fg"
+
+[palette]
+"accent.emphasis" = "#1f6feb"
+"accent.fg" = "#58a6ff"
+"accent.muted" = "#388bfd66"
+"accent.subtle" = "#388bfd26"
+"attention.emphasis" = "#9e6a03"
+"attention.fg" = "#d29922"
+"attention.muted" = "#bb800966"
+"attention.subtle" = "#bb800926"
+"border.default" = "#30363d"
+"border.muted" = "#21262d"
+"border.subtle" = "#f0f6fc1a"
+"canvas.default" = "#0d1117"
+"canvas.inset" = "#010409"
+"canvas.overlay" = "#161b22"
+"canvas.subtle" = "#161b22"
+"closed.emphasis" = "#da3633"
+"closed.fg" = "#f85149"
+"closed.muted" = "#f8514966"
+"closed.subtle" = "#f8514926"
+"danger.emphasis" = "#da3633"
+"danger.fg" = "#f85149"
+"danger.muted" = "#f8514966"
+"danger.subtle" = "#f8514926"
+"done.emphasis" = "#8957e5"
+"done.fg" = "#a371f7"
+"done.muted" = "#a371f766"
+"done.subtle" = "#a371f726"
+"fg.default" = "#c9d1d9"
+"fg.muted" = "#8b949e"
+"fg.onEmphasis" = "#ffffff"
+"fg.subtle" = "#6e7681"
+"neutral.emphasis" = "#6e7681"
+"neutral.emphasisPlus" = "#6e7681"
+"neutral.muted" = "#6e768166"
+"neutral.subtle" = "#6e76811a"
+"open.emphasis" = "#238636"
+"open.fg" = "#3fb950"
+"open.muted" = "#2ea04366"
+"open.subtle" = "#2ea04326"
+"scale.black" = "#010409"
+"scale.blue.0" = "#cae8ff"
+"scale.blue.1" = "#a5d6ff"
+"scale.blue.2" = "#79c0ff"
+"scale.blue.3" = "#58a6ff"
+"scale.blue.4" = "#388bfd"
+"scale.blue.5" = "#1f6feb"
+"scale.blue.6" = "#1158c7"
+"scale.blue.7" = "#0d419d"
+"scale.blue.8" = "#0c2d6b"
+"scale.blue.9" = "#051d4d"
+"scale.coral.0" = "#ffddd2"
+"scale.coral.1" = "#ffc2b2"
+"scale.coral.2" = "#ffa28b"
+"scale.coral.3" = "#f78166"
+"scale.coral.4" = "#ea6045"
+"scale.coral.5" = "#cf462d"
+"scale.coral.6" = "#ac3220"
+"scale.coral.7" = "#872012"
+"scale.coral.8" = "#640d04"
+"scale.coral.9" = "#460701"
+"scale.gray.0" = "#f0f6fc"
+"scale.gray.1" = "#c9d1d9"
+"scale.gray.2" = "#b1bac4"
+"scale.gray.3" = "#8b949e"
+"scale.gray.4" = "#6e7681"
+"scale.gray.5" = "#484f58"
+"scale.gray.6" = "#30363d"
+"scale.gray.7" = "#21262d"
+"scale.gray.8" = "#161b22"
+"scale.gray.9" = "#0d1117"
+"scale.green.0" = "#aff5b4"
+"scale.green.1" = "#7ee787"
+"scale.green.2" = "#56d364"
+"scale.green.3" = "#3fb950"
+"scale.green.4" = "#2ea043"
+"scale.green.5" = "#238636"
+"scale.green.6" = "#196c2e"
+"scale.green.7" = "#0f5323"
+"scale.green.8" = "#033a16"
+"scale.green.9" = "#04260f"
+"scale.orange.0" = "#ffdfb6"
+"scale.orange.1" = "#ffc680"
+"scale.orange.2" = "#ffa657"
+"scale.orange.3" = "#f0883e"
+"scale.orange.4" = "#db6d28"
+"scale.orange.5" = "#bd561d"
+"scale.orange.6" = "#9b4215"
+"scale.orange.7" = "#762d0a"
+"scale.orange.8" = "#5a1e02"
+"scale.orange.9" = "#3d1300"
+"scale.pink.0" = "#ffdaec"
+"scale.pink.1" = "#ffbedd"
+"scale.pink.2" = "#ff9bce"
+"scale.pink.3" = "#f778ba"
+"scale.pink.4" = "#db61a2"
+"scale.pink.5" = "#bf4b8a"
+"scale.pink.6" = "#9e3670"
+"scale.pink.7" = "#7d2457"
+"scale.pink.8" = "#5e103e"
+"scale.pink.9" = "#42062a"
+"scale.purple.0" = "#eddeff"
+"scale.purple.1" = "#e2c5ff"
+"scale.purple.2" = "#d2a8ff"
+"scale.purple.3" = "#bc8cff"
+"scale.purple.4" = "#a371f7"
+"scale.purple.5" = "#8957e5"
+"scale.purple.6" = "#6e40c9"
+"scale.purple.7" = "#553098"
+"scale.purple.8" = "#3c1e70"
+"scale.purple.9" = "#271052"
+"scale.red.0" = "#ffdcd7"
+"scale.red.1" = "#ffc1ba"
+"scale.red.2" = "#ffa198"
+"scale.red.3" = "#ff7b72"
+"scale.red.4" = "#f85149"
+"scale.red.5" = "#da3633"
+"scale.red.6" = "#b62324"
+"scale.red.7" = "#8e1519"
+"scale.red.8" = "#67060c"
+"scale.red.9" = "#490202"
+"scale.white" = "#ffffff"
+"scale.yellow.0" = "#f8e3a1"
+"scale.yellow.1" = "#f2cc60"
+"scale.yellow.2" = "#e3b341"
+"scale.yellow.3" = "#d29922"
+"scale.yellow.4" = "#bb8009"
+"scale.yellow.5" = "#9e6a03"
+"scale.yellow.6" = "#845306"
+"scale.yellow.7" = "#693e00"
+"scale.yellow.8" = "#4b2900"
+"scale.yellow.9" = "#341a00"
+"severe.emphasis" = "#bd561d"
+"severe.fg" = "#db6d28"
+"severe.muted" = "#db6d2866"
+"severe.subtle" = "#db6d2826"
+"sponsors.emphasis" = "#bf4b8a"
+"sponsors.fg" = "#db61a2"
+"sponsors.muted" = "#db61a266"
+"sponsors.subtle" = "#db61a226"
+"success.emphasis" = "#238636"
+"success.fg" = "#3fb950"
+"success.muted" = "#2ea04366"
+"success.subtle" = "#2ea04326"