Add SDK map module and migrate map fetching to Apollo with Hilt wiring.

This includes the new sdk module, MapService + mapper implementation, Apollo provider module, Hilt app integration, and the project .gitignore update.

Made-with: Cursor

app/src/main/kotlin/org/db3/airmq/AirMQApplication.kt

@@ -0,0 +1,7 @@
+package org.db3.airmq
+
+import android.app.Application
+import dagger.hilt.android.HiltAndroidApp
+
+@HiltAndroidApp
+class AirMQApplication : Application()