feat(ziggy-schema): Add ziggy-schema parser and queries

Ziggy-schema is the schema definition file format for a ziggy file.

lockfile.json

@@ -892,5 +892,8 @@
   },
   "ziggy": {
     "revision": "c66f47bc632c66668d61fa06eda112b41d6e5130"
+  },
+  "ziggy_schema": {
+    "revision": "c66f47bc632c66668d61fa06eda112b41d6e5130"
   }
 }

lua/nvim-treesitter/parsers.lua

@@ -2573,6 +2573,15 @@ list.ziggy = {
   maintainers = { "@rockorager" },
 }
 
+list.ziggy_schema = {
+  install_info = {
+    url = "https://github.com/kristoff-it/ziggy",
+    files = { "src/parser.c" },
+    location = "tree-sitter-ziggy-schema",
+  },
+  maintainers = { "@rockorager" },
+}
+
 list.templ = {
   install_info = {
     url = "https://github.com/vrischmann/tree-sitter-templ",

queries/ziggy_schema/highlights.scm

@@ -0,0 +1,38 @@
+(struct_field
+  key: (_) @keyword)
+
+(tag_name) @function
+
+[
+  "unknown"
+  "any"
+  "struct"
+  "root"
+  "enum"
+  "map"
+] @keyword
+
+(identifier) @type
+
+"?" @type
+
+[
+  "bool"
+  "bytes"
+  "int"
+  "float"
+] @constant.builtin
+
+(doc_comment) @comment.documentation
+
+[
+  ","
+  "|"
+] @punctuation.delimiter
+
+[
+  "["
+  "]"
+  "{"
+  "}"
+] @punctuation.bracket

queries/ziggy_schema/indents.scm

@@ -0,0 +1,3 @@
+(struct) @indent.begin
+
+"}" @indent.end