fix: set baseURL depending on BuildConfig type

app/build.gradle

@@ -34,7 +34,11 @@ android {
         }
     }
     buildTypes {
+        debug {
+            buildConfigField("String", "BASE_URL", '"https://dev.akamu.de/api/v2/"')
+        }
         release {
+            buildConfigField("String", "BASE_URL", '"https://akamu.de/api/v2/"')
             signingConfig signingConfigs.release
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'

app/src/main/java/de/akamu/tudarmstadt/api/V2API.java

@@ -14,6 +14,7 @@ import java.util.Map;
 import java.util.Objects;
 import java.util.TimeZone;
 
+import de.akamu.tudarmstadt.BuildConfig;
 import de.akamu.tudarmstadt.api.interceptor.LoggingInterceptor;
 import de.akamu.tudarmstadt.api.interceptor.TokenInterceptor;
 import de.akamu.tudarmstadt.api.interceptor.UnauthorizedInterceptor;
@@ -35,8 +36,7 @@ import okhttp3.Response;
 public final class V2API {
 
     private static final MediaType JSON = MediaType.parse("application/json; charset=utf-8");
-    private static final String baseURL = "https://akamu.de/api/v2/";
-    // private static final String baseURL = "https://dev.akamu.de/api/v2/"; // Dev version of server
+    private static final String baseURL = BuildConfig.BASE_URL;
     private static String token = "";
     private static Date expire;
     private static final OkHttpClient client = new OkHttpClient.Builder()