feat: add Hoon language support

---------

Co-authored-by: urbit-pilled <urbit-pilled>
Co-authored-by: Amaan Qureshi <amaanq12@gmail.com>

README.md

@@ -247,6 +247,7 @@ We are looking for maintainers to add more parsers and to write query files for
 - [x] [hjson](https://github.com/winston0410/tree-sitter-hjson) (maintained by @winston0410)
 - [x] [hlsl](https://github.com/theHamsta/tree-sitter-hlsl) (maintained by @theHamsta)
 - [x] [hocon](https://github.com/antosha417/tree-sitter-hocon) (maintained by @antosha417)
+- [x] [hoon](https://github.com/urbit-pilled/tree-sitter-hoon) (experimental, maintained by @urbit-pilled)
 - [x] [html](https://github.com/tree-sitter/tree-sitter-html) (maintained by @TravonteD)
 - [x] [htmldjango](https://github.com/interdependence/tree-sitter-htmldjango) (experimental, maintained by @ObserverOfTime)
 - [x] [http](https://github.com/rest-nvim/tree-sitter-http) (maintained by @amaanq)

lockfile.json

@@ -221,6 +221,9 @@
   "hocon": {
     "revision": "c390f10519ae69fdb03b3e5764f5592fb6924bcc"
   },
+  "hoon": {
+    "revision": "37563e0b57dfc7b0e6072f8b12f98cedaf22553a"
+  },
   "html": {
     "revision": "ab91d87963c47ffd08a7967b9aa73eb53293d120"
   },

lua/nvim-treesitter/parsers.lua

@@ -694,6 +694,15 @@ list.hocon = {
   maintainers = { "@antosha417" },
 }
 
+list.hoon = {
+  install_info = {
+    url = "https://github.com/urbit-pilled/tree-sitter-hoon",
+    files = { "src/parser.c" },
+  },
+  maintainers = { "@urbit-pilled" },
+  experimental = true,
+}
+
 list.html = {
   install_info = {
     url = "https://github.com/tree-sitter/tree-sitter-html",

queries/hoon/folds.scm

@@ -0,0 +1,6 @@
+[
+ (bartisTall)
+ (luslusTall)
+ (lusbucTall)
+ (barcenTall)
+ ] @fold

queries/hoon/highlights.scm

@@ -0,0 +1,33 @@
+(number) @number
+
+(string) @string
+
+[
+  "("
+  ")"
+  "["
+  "]"
+]  @punctuation.bracket
+
+[
+  (coreTerminator)
+  (seriesTerminator)
+] @punctuation.delimiter
+
+
+(rune) @operator
+
+(term) @constant
+
+(aura) @constant.builtin
+
+(Gap) @comment
+
+(boolean) @constant.builtin
+
+(date) @string.special
+
+(mold) @symbol
+(specialIndex) @number.builtin
+(lark) @operator
+(fullContext) @symbol

queries/hoon/locals.scm

@@ -0,0 +1,4 @@
+(tisfasTall
+  name: (name) @definition.var)
+  
+(name) @reference