refactor: userController and add req user type

server/src/api/controllers/userController.ts

@@ -0,0 +1,20 @@
+import type { Express, Request, Response } from 'express'
+import { UserProfile } from '@linux-odyssey/models'
+import { asyncHandler } from '../../middleware/error.js'
+
+export const me = asyncHandler(async (req: Request, res: Response) => {
+  const { id, username, email } = req.user as Express.ExistingUser
+
+  const userProfile = await UserProfile.findOne({
+    user: id,
+  })
+  if (!userProfile) {
+    throw new Error(`UserProfile not found for user ${username} ${id}!`)
+  }
+  const { progress } = userProfile
+  res.json({
+    username,
+    email,
+    progress,
+  })
+})