The old banner was a handwritten ASCII art that didn't actually spell 'GYANDOOT'. Replaced with proper figlet 'standard' font output so the banner is readable and correct.
Creates full release package with: - release/install.sh (universal cross-platform installer) - release/windows/install.bat (Git Bash/MSYS2) - release/windows/install.ps1 (PowerShell) - release/homebrew/gyandoot.rb (Homebrew formula) - release/archives/ prebuilt binary archives - release/README.md (platform-specific install guide) - install.sh updated with same cross-platform logic - README.md updated
