feat: add OIDC login support

- Introduced OIDC configuration options in config.example.yaml.
- Added OIDC client initialization and routes for OIDC login, callback, and exchange.
- Implemented OIDC login service to handle user authentication via OIDC.
- Created frontend components for OIDC login and callback handling.
- Updated user creation logic to support OIDC users and their identities.
- Enhanced error handling for OIDC login processes.

internal/pkg/dto/request/auth_request.go

@@ -8,3 +8,7 @@ type LoginRequest struct {
 type WxWorkExchangeRequest struct {
 	Ticket string `json:"ticket"`
 }
+
+type OIDCExchangeRequest struct {
+	Ticket string `json:"ticket"`
+}