Add map data flow and port legacy app theming.

This bundles the GraphQL-backed map scaffolding with the old AirMQ visual style by applying legacy colors, reusable button styles, and original bottom navigation icons for UI parity.

Made-with: Cursor

app/src/main/graphql/MapLocations.graphql

@@ -0,0 +1,10 @@
+query MapLocations {
+  locations {
+    _id
+    name
+    city
+    latitude
+    longitude
+    isOnline
+  }
+}