Create API to Update User Information

**Description:**
Develop an API endpoint to allow users to update their stored information, such as avatar, username, address, and World ID badge details.

**Requirements:**
- Implement a PATCH/PUT API route for updating user details.
- Ensure that updates are validated and properly stored in the database.
- Add authentication/authorization checks if required.
- Handle cases where the user does not exist or inputs invalid data.

**Acceptance Criteria:**
- Users can update their details with valid input.
- Appropriate success or error messages are returned.
- Only authorized users should be able to modify their data.

#### ETA 48 hours