feat(auth): Implement Google OAuth 2.0 integration with user creation and JWT generation

- Added Google OAuth controller and service to handle authentication via Google.
- Introduced DTOs for Google user and token responses.
- Updated AuthService and UsersService traits to support new Google OAuth functionality.
- Implemented logic to create a new user if they do not exist in the system after Google authentication.
- Enhanced existing user retrieval and JWT generation upon successful login.
- Added tests for Google OAuth flow, including login redirection and callback handling for both new and existing users.
- Updated environment configuration to include Google OAuth credentials.

imphnen-iam/src/v1/roles/roles_dto.rs

@@ -28,7 +28,7 @@ pub struct RolesListItemDto {
 	pub updated_at: Option<String>,
 }
 
-#[derive(Clone, Debug, Serialize, Deserialize, ToSchema)]
+#[derive(Clone, Debug, Serialize, Deserialize, ToSchema, Default)] // Added Default derive
 pub struct RolesDetailItemDto {
 	pub id: String,
 	pub name: String,