add attribution for Open-Meteo Geolocation search

Author: woheller69

app/src/main/res/layout/dialog_add_location.xml

@@ -17,10 +17,15 @@
         android:imeOptions="actionDone"
         android:maxLines="1"
         android:inputType="text" />
-
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="#aad3df"
+        android:gravity="center"
+        android:text="Search powered by by Open-Meteo.com"/>
     <WebView
-             android:id="@+id/webViewAddLocation"
-             android:layout_width="match_parent"
-            android:layout_height="200dp" />
+        android:id="@+id/webViewAddLocation"
+        android:layout_width="match_parent"
+        android:layout_height="200dp" />
 
 </LinearLayout>