Add GitHub Actions Workflow for Building and Releasing Binaries with Checksums

[rasooll]

Summary

This pull request introduces a GitHub Actions workflow for building client and server applications and uploading the built binaries as assets on the GitHub release.

Features

• Platform Support: Supports Linux, Windows, and macOS.
• Architecture Support: Builds for amd64 and arm64.
• Checksum File: Generates a single checksum file containing the checksums of all built binaries and adds it to the release assets.
• Automation: The workflow is automatically triggered after publishing a new release.
• Lightweight Clean Repository: Deletes binary files from the repository to keep it lightweight and clean, as binaries are now attached to releases.

Example

Please check the release page below as an example:
https://github.com/rasooll/darkflare/releases

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If any changes are needed or if you have suggestions to improve this workflow, feel free to let me know, and I will update the pull request accordingly.