feat: add tree-sitter-uxntal

Author: youbitchoc

.gitmodules

@@ -195,3 +195,6 @@
 [submodule "tree-sitter-proto"]
 	path = tree-sitter-proto
 	url = https://github.com/sdoerner/tree-sitter-proto.git
+[submodule "tree-sitter-uxntal"]
+	path = tree-sitter-uxntal
+	url = https://github.com/tree-sitter-grammars/tree-sitter-uxntal/

build.zig

@@ -80,6 +80,7 @@ pub fn build(b: *std.Build) void {
     addParser(b, lib, "typescript", "tsx");
     addParser(b, lib, "typescript", "typescript");
     addParser(b, lib, "typst", null);
+    addParser(b, lib, "uxntal", null);
     addParser(b, lib, "systemverilog", null);
     addParser(b, lib, "vim", null);
     addParser(b, lib, "xml", "dtd");