fix: default to osm

src/main/resources/default.properties

@@ -14,7 +14,7 @@ wtfimb.base-url=
 # This is the type of map you will be using
 # Your options are: 'google', for using Google Maps
 # and 'osm', for using Open Street Map
-wtfimb.maps.type=google
+wtfimb.maps.type=osm
 
 # If you're using Google Maps, you need to get an API key from Google
 # here https://developers.google.com/maps/documentation/javascript/get-api-key