feat: add native local location capture (#4)

Add explicit permission handling, independent continuous and single capture,
location status and deterministic CI coverage.

Final decisions and validation:
https://github.com/jayanezj/traccar-client-macos/issues/4#issuecomment-6399189792

TraccarClient/Resources/Info.plist

@@ -30,5 +30,7 @@
     <string>Licensed under the Apache License, Version 2.0.</string>
     <key>NSPrincipalClass</key>
     <string>NSApplication</string>
+    <key>NSLocationUsageDescription</key>
+    <string>Use this Mac's location for capture you explicitly start. Continuous capture runs until paused or the app quits; Capture once requests one location. This build does not send positions.</string>
 </dict>
 </plist>