Feature/handling typed attributes in melt

[k-shaikh]

Description

This addresses the handling of attribute types in the fsoc melt subcommands. This includes changes in

• platform/types.go to support Attributes of any value not just string.
• platform.exporter.go to map to correct OTEL type based on the Attribute value type
• "fsoc melt model" to generate the yaml values with proper types based on attribute type in entity definition .

Type of Change

• [X ] Bug Fix
• New Feature
• Breaking Change
• Refactor
• Documentation
• Other (please describe)

Checklist

• [ X] I have read the contributing guidelines
• [ X] Existing issues have been referenced (where applicable)
• [X ] I have verified this change is not present in other open pull requests
• Functionality is documented
• [ X] All code style checks pass
• [ X] New code contribution is covered by automated tests
• [ X] All new and existing tests pass