add admin tools

src/app/admin/tools/tools.ts

@@ -0,0 +1,12 @@
+import { actions } from 'astro:actions';
+import { actionErrorPopup } from '@util/action.ts';
+
+export async function uuidFromUsername(edition: 'java' | 'bedrock', username: string) {
+  const { data, error } = await actions.tools.uuidFromUsername({ edition: edition, username: username });
+  if (error) {
+    actionErrorPopup(error);
+    return null;
+  }
+
+  return data.uuid;
+}