Add CLinkAddress concept

[linksplatform-sweepai]

Description

This PR adds the CLinkAddress concept to the cpp/Platform.Interfaces/ directory. The CLinkAddress concept checks if the argument is integral and unsigned.

Summary

• Created a new file cpp/Platform.Interfaces/CLinkAddress.h to define the CLinkAddress concept.
• Included the <concepts> and <type_traits> libraries.
• Defined the Platform::Interfaces namespace.
• Defined the CLinkAddress concept that takes a single template argument T.
• Used std::is_integral and std::is_unsigned type traits to check if T is both integral and unsigned.

Fixes #113.

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