v1.0.0

What's Changed

• Add RELEASING.md documentation and update README
• Remove go-dns from .gitignore
• Add github actions
• Add .gitignore to exclude build artifacts
• Add documentation to clarify resource cleanup on error paths
• Extract DNS check timeout to constant
• Add .gitignore and remove compiled binary
• Fix shell script portability and add proper quoting
• Make DNS check domain configurable with timeout
• Run DNS server as unprivileged user with minimal capabilities
• Document lock ordering to clarify deadlock prevention strategy
• Improve isURL validation using url.Parse()
• Replace placeholder URLs with actual repository information
• Initial commit
  Full Changelog: ...v1.0.0