routie dev init since i didn't adhere to any proper guidance up until now

frontend/node_modules/@bufbuild/protobuf/dist/esm/codegenv1/extension.d.ts

@@ -0,0 +1,9 @@
+import type { Message } from "../types.js";
+import type { DescFile } from "../descriptors.js";
+import type { GenExtension } from "./types.js";
+/**
+ * Hydrate an extension descriptor.
+ *
+ * @private
+ */
+export declare function extDesc<Extendee extends Message, Value>(file: DescFile, path: number, ...paths: number[]): GenExtension<Extendee, Value>;