MASSIVE commit

- moved to typescript

- axios rate limitmodule is busted, removed for now, do something else for that

- sequelize-typescript

- dotenv, not dotenv-flow

- removed playlist details route

types for API

ton of minor fixes and improvements

validators/playlists.ts

@@ -0,0 +1,14 @@
+import { query } from "express-validator";
+import type { RequestHandler } from "express";
+
+const getPlaylistDetailsValidator: RequestHandler = async (req, _res, next) => {
+  await query("playlist_link")
+    .notEmpty()
+    .withMessage("playlist_link not defined in query")
+    .isURL()
+    .withMessage("playlist_link must be a valid link")
+    .run(req);
+  next();
+};
+
+export { getPlaylistDetailsValidator };