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/distribution_uninstall.xml

@@ -0,0 +1,13 @@
+<installer-gui-script minSpecVersion="1">
+    <title>Uninstall AmneziaVPN</title>
+    <options customize-install-button="always"/>
+    <welcome file="uninstall_welcome.html"/>
+    <conclusion file="uninstall_conclusion.html"/>
+    <choices-outline>
+        <line choice="uninstall"/>
+    </choices-outline>
+    <choice id="uninstall" title="Uninstall AmneziaVPN" start_selected="true">
+        <pkg-ref id="org.amneziavpn.uninstall"/>
+    </choice>
+    <pkg-ref id="org.amneziavpn.uninstall" auth="Root">AmneziaVPN_uninstall_component.pkg</pkg-ref>
+</installer-gui-script>