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>

.gitignore

@@ -0,0 +1,23 @@
+# Dependencies
+node_modules/
+
+# Builds
+dist/
+app/android/
+app/ios/
+app/.expo/
+*.apk
+*.aab
+
+# Secrets / local capture
+**/.creds.json
+**/capture/
+*.keystore
+*.jks
+
+# The original app artifact (local only, not source)
+*.xapk
+
+# OS / editor
+.DS_Store
+*.log