feat: add vimdoc parser and highlight queries

lockfile.json

@@ -299,6 +299,9 @@
   "vim": {
     "revision": "c9d70082af14988842eb071c6c0b07e8d1d993ac"
   },
+  "help": {
+    "revision": "5e4851189b3d005275263cfc7f5a4a6ea2dbdf9b"
+  },
   "vue": {
     "revision": "91fe2754796cd8fba5f229505a23fa08f3546c06"
   },

lua/nvim-treesitter/parsers.lua

@@ -827,6 +827,16 @@ list.vim = {
   maintainers = { "@vigoux" },
 }
 
+list.help = {
+  install_info = {
+    url = "https://github.com/vigoux/tree-sitter-vimdoc",
+    files = { "src/parser.c", "src/scanner.c" },
+  },
+  filetype = "help",
+  maintainers = { "@vigoux" },
+  experimental = true,
+}
+
 list.json5 = {
   install_info = {
     url = "https://github.com/Joakker/tree-sitter-json5",

queries/help/highlights.scm

@@ -0,0 +1,14 @@
+(headline) @text.title
+(column_heading) @text.title
+(tag
+   "*" @conceal (#set! conceal "")
+   name: (_) @label)
+(option
+   "'" @conceal (#set! conceal "")
+   name: (_) @text.literal)
+(hotlink
+   "|" @conceal (#set! conceal "")
+   destination: (_) @text.uri)
+(backtick
+   "`" @conceal (#set! conceal "")
+   content: (_) @string)