Version 4.3.0: Automated releases and repository improvements

Major improvements:
- Automated GitHub releases via Actions workflow
- Repository reorganization (scripts/, examples/, tests/)
- Apple Silicon only builds (arm64)
- Comprehensive installation instructions in releases
- Voice configuration tools (list-voices.el, voice configs)
- Build optimizations (cached OggDecoder dependency)
- Enhanced make tidy (Swift, shell, Emacs Lisp formatting)
- Samantha as default voice, Alex for strings

Release automation:
- Detects version changes automatically
- Builds and publishes releases to GitHub
- Generates changelogs and detailed install instructions
- Uses gh CLI for reliable release creation

Repository structure:
- scripts/ - Helper scripts and utilities
- examples/ - Voice configs and init examples
- tests/ - Automated test files

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 (1M context) <noreply@anthropic.com>

Author: robertmeta

Sources/SwiftMacPackage/main.swift

@@ -16,7 +16,7 @@ import OggDecoder
 #else
   let debugLogger = Logger()  // No-Op
 #endif
-let version = "4.2.3"
+let version = "4.3.0"
 let name = "swiftmac"
 var ss = StateStore()  // just create new one to reset