added missing javadoc

APED/app/src/main/java/com/example/aped/MainActivity.java

@@ -300,6 +300,9 @@ public class MainActivity extends AppCompatActivity {
         }
     }
 
+    /**
+     * Initiializes the config files on the android device.
+     */
     private void setupConfigs() {
         try {
             String externalConfigPath = ExternalStorageHandler.