feat: native macos installer distribution (#1633)

* Add uninstall option and output pkg

Improve installer mode detection

Fix macOS installer packaging

Fix default selection for uninstall choice

Remove obsolete tar handling and clean script copies

* Improve macOS build script

* fix: update macos firewall and package scripts for better compatibility and cleanup

* Add DeveloperID certificate and improve macOS signing script

Use keychain option for codesign and restore login keychain to list
after signing

* Update build_macos.sh

* feat: add script to quit GUI application during uninstall on macos

* fix: handle macos post-install when app is unpacked into localized folder

* fix: improve post_install script to handle missing service plist and provide error logging

deploy/data/macos/check_install.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+if [ -d "/Applications/AmneziaVPN.app" ] || pgrep -x "AmneziaVPN-service" >/dev/null; then
+  exit 1
+fi
+exit 0