Backend Bugs Summary

## Basic Information

- [x] Token needs to include "user_role": "poster" or "bidder" ( or two user table for poster and bidder) **not needed anymore**

- [x] Add user list API

- [x] Create mock data of users, tasks, bids, etc for testing purpose
- user data in db cannot be accessed from frontend
-

- [x] no `avatar` and `full_name` field in `/users/` api

- [x] Status need to be chosen from this:

- `/app/bids`: "COMPLETED", "ONGOING", "BIDDING", "EXPIRED"
- `/app/tasks`: "BIDDING", "COMPLETED", "CANCELLED", "ONGOING", "PRICE UPDATE"

- [x] pk errors when sending post req (logical error)

- [ ] Need to add function to compare the date between the deadline and today, then automatically change `status` of bidding tasks or bidding bids to `"COMPLETED"`

## Other Information
**[Are there any additional information that we should know about?]**