parsers: add phpdoc parser (experimental)

lua/nvim-treesitter/parsers.lua

@@ -245,6 +245,17 @@ list.php = {
   maintainers = { "@tk-shirasaka" },
 }
 
+list.phpdoc = {
+  install_info = {
+    url = "https://github.com/claytonrcarter/tree-sitter-phpdoc",
+    files = { "src/parser.c" },
+    -- parser.c in the repo still based on TS 0.17 due to other dependencies
+    requires_generate_from_grammar = true,
+    generate_requires_npm = true,
+  },
+  experimental = true,
+}
+
 list.java = {
   install_info = {
     url = "https://github.com/tree-sitter/tree-sitter-java",