feat: implement JWT refresh token mechanism and improve auth

- Add refresh token support with 30-day expiry
- Implement automatic token rotation on refresh
- Add new endpoints: /auth/refresh, /auth/revoke-token, /auth/revoke-all-tokens
- Reduce access token lifetime to 1 hour for better security
- Store refresh tokens in user document with metadata
- Add support for token cleanup and management
- Update login flow to return both access and refresh tokens
- Maintain backward compatibility with existing auth methods

pkg/models/favorite.go

@@ -21,4 +21,4 @@ type FavoriteRequest struct {
 	MediaType  string `json:"mediaType" validate:"required,oneof=movie tv"`
 	Title      string `json:"title" validate:"required"`
 	PosterPath string `json:"posterPath"`
-}
+}