Add support for new SCIM Server Management API endpoints

[developerkunal]

🔧 Changes

• Add endpoints for SCIM configuration management.
• Include CRUD operations for SCIM configurations and tokens.
• Add test cases to verify the functionality of the new endpoints.
• Add structs and marshaller for SCIM configuration and tokens.

📚 References

• API documentation for Create SCIM Configuration
• API documentation for Read SCIM Configuration
• API documentation for Update SCIM Configuration
• API documentation for Delete SCIM Configuration
• API documentation for Read SCIM Default Configuration
• API documentation for Create SCIM Token
• API documentation for List SCIM Tokens
• API documentation for Delete SCIM Token

🔬 Testing

1. Run unit tests to ensure the SCIM configuration and token endpoints work correctly.
2. Manually test the endpoints using a tool like Postman to ensure they function as expected.
3. Verify that the SCIM configuration is properly created, read, updated, and deleted.

📝 Checklist

• [x] All new/changed/fixed functionality is covered by tests (or N/A)
• [x] I have added documentation for all new/changed functionality (or N/A)

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 95.44%. Comparing base (aaf54a7) to head (0f49532).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #419 +/- ## ========================================== + Coverage 95.37% 95.44% +0.06% ========================================== Files 47 47 Lines 7614 7725 +111 ========================================== + Hits 7262 7373 +111 Misses 235 235 Partials 117 117 ```

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