### Description
- Login with configured OIDC issuer, and then save the logged in information in server session.
- Endpoints:
- GET `/auth/login`
- GET `/auth/callback`
- GET `/auth/logout`
### Package Changes
```toml
actix-session = { version = "0.10.1", features = ["redis-session"] }
hex = "0.4.3"
openidconnect = { version = "4.0.1", features = [
"reqwest",
"reqwest-blocking",
] }
```
### Screenshots
<video src="attachments/8b15b576-61db-41b9-8587-b4b885018c93" title="Screencast From 2025-07-30 03-34-26.mp4" controls></video>
### Reference
Resolves#85
### Checklist
- [x] A milestone is set
- [x] The related issuse has been linked to this branch
Reviewed-on: #93
Co-authored-by: SquidSpirit <squid@squidspirit.com>
Co-committed-by: SquidSpirit <squid@squidspirit.com>
### Description
- Add some endpoints about image:
- POST `/image/upload`
- GET `/image/{id}`
> [!NOTE]
> Since there isn't identity authentication, the `/image` endpoints should be restricted to private network in nginx.
> [!NOTE]
> Volume for backend should be configured in `pod.yaml`.
### Package Changes
```toml
actix-multipart = "0.7.2"
```
### Screenshots
_No response_
### Reference
Resolves#78
### Checklist
- [x] A milestone is set
- [x] The related issuse has been linked to this branch
Reviewed-on: #84
Co-authored-by: SquidSpirit <squid@squidspirit.com>
Co-committed-by: SquidSpirit <squid@squidspirit.com>
