Initial OSM setup

app/src/main/res/navigation/nav_graph.xml

@@ -1,5 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
+<?xml version="1.0" encoding="utf-8"?><!--
   ~ Look4Sat. Amateur radio and weather satellite tracker and passes predictor for Android.
   ~ Copyright (C) 2019, 2020 Arty Bishop (bishop.arty@gmail.com)
   ~
@@ -65,4 +64,10 @@
         android:label="@string/menu_about"
         tools:layout="@layout/fragment_about" />
 
+    <fragment
+        android:id="@+id/nav_map_osm"
+        android:name="com.rtbishop.look4sat.ui.fragments.MapOsmFragment"
+        android:label="@string/placeholder"
+        tools:layout="@layout/fragment_map_osm" />
+
 </navigation>