Merge pull request google-developer-training#29 from google-developer…

…-training/GDGFinderServer

Update server URL

GDGFinder-Starter/app/src/main/java/com/example/android/gdgfinder/network/GdgApiService.kt

@@ -25,12 +25,10 @@ import retrofit2.Retrofit
 import retrofit2.converter.moshi.MoshiConverterFactory
 import retrofit2.http.GET
 
-// The alternative URL is for a server with a recent snapshot. If you are having problems
-// with the given URL (app crashing), use the alternative.
-private const val BASE_URL = "https://developers.google.com/community/gdg/groups/"
+private const val BASE_URL = "https://android-kotlin-fun-mars-server.appspot.com/"
 
 interface GdgApiService {
-    @GET("directory.json")
+    @GET("gdg-directory.json")
 
     fun getChapters():
     // The Coroutine Call Adapter allows us to return a Deferred, a Job with a result