Release v0.2.0

Major Changes:

1. AWS SDK Migration:

• Migrated from rusoto to aws-sdk-rust for improved S3 support
• Updated all S3 operations to use the new SDK
• Added support for AWS SDK configuration and credentials

2. Logging Improvements:

• Added comprehensive logging system with tracing and tracing-subscriber
• Configured logging to write to /tmp/git-remote-s3.log
• Added detailed logging for git and S3 operations
• Improved error messages and debugging information
• Added file names, line numbers, and formatted timestamps to logs
• Disabled ANSI color codes in log files for better readability

3. Error Handling:

• Improved broken pipe error handling
• Added graceful handling of git protocol errors
• Better error reporting and user feedback

4. Testing Improvements:

• Added integration test target
• Improved test logging configuration
• Simplified test credentials and cleanup
• Consolidated test scripts into Makefile
• Added support for GPG encryption in tests

5. Code Quality:

• Updated to Rust 2021 edition
• Refactored to use async/await pattern
• Simplified imports and error handling
• Improved code organization and modularity
• Removed unnecessary dependencies

6. Security:

• Set GIT_S3_ENCRYPT to enabled by default
• Improved GPG encryption support

7. Build System:

• Added cross-compilation support for x86_64-unknown-linux-musl
• Updated dependencies to latest versions
• Simplified build process

This release represents a major update with improved reliability, security, and maintainability.