Feature: tinyTikTok 认证授权

**Is your feature request related to a problem? Please describe.**
认证授权服务是必要的

**Describe the solution you'd like**
- [x] OAuth password
- [ ] ladon authz

**Describe alternatives you've considered**
A clear and concise description of any alternative solutions or features you've considered.

**Additional context**
Add any other context or screenshots about the feature request here.

The issue names no files, tests, or entry points. First identify the existing authentication implementation and clarify whether OAuth password is complete and whether Ladon authorization is required. Done should be defined as an agreed authentication and authorization scope with corresponding implementation and tests.

Written by the indexing model from the issue text.