Cleared colors and styles, basic application-wide dark theme setup

app/src/main/res/drawable/ic_map_sat.xml

@@ -4,6 +4,6 @@
     android:viewportWidth="24"
     android:viewportHeight="24">
     <path
-        android:fillColor="@color/themeAccent"
+        android:fillColor="@color/secondary"
         android:pathData="M19,6.41L17.59,5 12,10.59 6.41,5 5,6.41 10.59,12 5,17.59 6.41,19 12,13.41 17.59,19 19,17.59 13.41,12z" />
 </vector>