Update Serializer to write indented JSON

[christianhelle]

This pull request updates the Serializer.cs file to include the ability to write indented JSON. It also adds optional custom serialization options to the Deserialize and Serialize methods. This allows for more flexibility in the serialization process.

This resolves #383

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

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