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

utils/flake.ts

@@ -0,0 +1,7 @@
+export const sleep = (ms: number): Promise<unknown> =>
+  new Promise((resolve) => setTimeout(resolve, ms));
+
+export const randomBool = (chance_of_failure = 0.25): boolean =>
+  Math.random() < chance_of_failure;
+
+new Promise((resolve) => setTimeout(resolve, 100));