Release 0.99.0

[erubboli]

Release 0.99.0

This pull request implements comprehensive CI workflows for building and packaging releases across multiple platforms. The enhancements include:

Release Types

For each platform, we now produce two distinct release packages:

1. NodeGUI Package: Contains the Mintlayer Node GUI application.
2. Tools Package: Includes Mintlayer Node and command line utilities.

Platform-Specific Builds

macOS

• NodeGUI release:
  • Signed and packaged as a .dmg file for easy installation.
• Tools package:
  • Provided as a .zip archive.

Linux

Three package formats are now available:

• .zip: For universal compatibility.
• .deb: For Debian-based distributions (Ubuntu, Debian, etc.).
• .rpm: For Red Hat-based distributions (Fedora, CentOS, etc.).

Windows

• NodeGUI release:
  • Packaged as a .zip file.
  • Also available as an installer (.exe).
• Tools package:
  • Provided as a .zip archive.

Docker

• Docker images are built and pushed to our repository.

Additional Notes

• All builds are automated through our CI pipeline, ensuring consistency across releases.
• Each artifact is accompanied by a SHA256 hash for verification purposes.
• Release notes are automatically generated, listing all included files and their respective hashes.