feat：Added new APIs, added registration function, modified auth configuration

[TsumikiQAQ]

1. API additions:

• Auth: Login, Register, Get User Information
• Commits: List specific commit entries, Get commit differences
• Objects: Get Object content, Check if object exists, Upload object, Delete object
• Repositories: Create new repository, Get repository, Delete repository, Update repository, Get repository list

2. New registration feature:

• Added a new registration page, RegisterPage, and a registration form
• Added register to the Auth route

3. Modified Auth proxy configuration

• Sent requests to the backend code, tests passed, can be used normally.