Implement resource serialization

[live1206]

Resolves #50081

[Copilot]

Pull Request Overview

This PR implements resource serialization for the Azure SDK by introducing a new ResourceSerializationProvider and integrating it into the resource client and output library generation.

• Introduces a new ResourceSerializationProvider that defines serialization methods based on IJsonModel and IPersistableModel interfaces.
• Modifies ResourceClientProvider to include the serialization provider and updates ManagementOutputLibrary to aggregate these providers.

Reviewed Changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated no comments.

File	Description
Azure.Generator.Management/src/Providers/ResourceSerializationProvider.cs	New provider implementing serialization logic for resource data.
Azure.Generator.Management/src/Providers/ResourceCollectionClientProvider.cs	Adds an empty serialization providers definition.
Azure.Generator.Management/src/Providers/ResourceClientProvider.cs	Registers the new serialization provider.
Azure.Generator.Management/src/ManagementOutputLibrary.cs	Aggregates serialization providers from resource clients.

Comments suppressed due to low confidence (1)

eng/packages/http-client-csharp-mgmt/generator/Azure.Generator.Management/src/Providers/ResourceSerializationProvider.cs:21

• Typo in field name '_resoruce'; please rename it to '_resource' for clarity and consistency.

private readonly ResourceClientProvider _resoruce;