Initial commit: parksmarter-client + BigBrainParking app

Reverse-engineered ParkSmarter API client (TypeScript, live-verified) plus a
de-Googled Expo/React Native app for GrapheneOS: MapLibre meter map with GPS,
VisionCamera QR kiosk scanning with save/share, local session-expiry reminders,
UnifiedPush wiring, and Gitea CI to publish signed APKs for Obtainium.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

app/babel.config.js

@@ -0,0 +1,14 @@
+module.exports = function (api) {
+  api.cache(true);
+  return {
+    presets: ['babel-preset-expo'],
+    plugins: [
+      [
+        'module-resolver',
+        {
+          alias: { '@': './src' },
+        },
+      ],
+    ],
+  };
+};