added EO-net

[Graur]

PR-Codex overview

This PR adds licensing information and metadata to socket.eo and socket-tests.eo, and modifies the Makefile to include debugging information during testing.

Detailed summary

• Added MIT license and metadata to socket.eo
• Added MIT license, metadata, and a test suite to socket-tests.eo
• Modified Makefile to include debugging information during testing.

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