chore: ignore mdn and idl folders

Author: Bashamega

src/build/utils/kdl.ts

@@ -116,7 +116,11 @@ async function getAllKDLFileURLs(folder: URL, file: string): Promise<URL[]> {
   for (const entry of entries) {
     const child = new URL(entry.name + "/", folder);
 
-    if (entry.isDirectory()) {
+    if (
+      entry.isDirectory() &&
+      !child.pathname.includes("mdn") &&
+      !child.pathname.includes("idl")
+    ) {
       results.push(...(await getAllKDLFileURLs(child, file)));
     } else if (entry.isFile() && entry.name == file) {
       results.push(new URL(entry.name, folder));