Bug fix and performance release

Fixed

• issue #64 - Blank page after loading
• issue #77 - Missing podman-machine-default machine
• issue #73 - "Path to native podman CLI" disappears after saving
• issue #56 - UI freezes and cannot get back to configuration menu

Added

• Show program version in settings screen header left column

Changed

• Connection methods
• Upgraded electron engine
• Separated concerns (some)
• Moved back to IPC instead of webworker as processes are faster with async exec
• Changed bootstrap method to be more stable in case of program failures
• Prevent stopping api on engine switching if not started by podman desktop companion