Implemented login requirement for most of the API

api/src/middleware/auth.ts

@@ -0,0 +1,14 @@
+import { NextFunction, Request, Response } from "express";
+
+export const requireLogin = function (req: Request, res: Response, next: NextFunction) {
+    if (req.user?.id)
+        next();
+    else
+        res.sendStatus(401)
+}
+
+function requireRole(roleName: string) {
+    return function (req: Request, res: Response, next: NextFunction) {
+
+    }
+}