[gnome-maps/wip/mlundblad/aerial-hybrid] mapSource: Add function to create hybrid aerial map source

[Marcus Lundblad <mlundblad src gnome org>]

commit 5805bc9b7bcd64c490903a1532e8afc90e6e71e8
Author: Marcus Lundblad <ml update uu se>
Date:   Sat Jun 20 23:18:57 2020 +0200

    mapSource: Add function to create hybrid aerial map source

 src/mapSource.js | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/src/mapSource.js b/src/mapSource.js
index 9104984d..29671006 100644
--- a/src/mapSource.js
+++ b/src/mapSource.js
@@ -128,6 +128,10 @@ function createAerialSource() {
     return _createCachedSource(Service.getService().tiles.aerial);
 }
 
+function createHybridAerialSource() {
+    return _createCachedSource(Service.getService().tiles.hybridAerial);
+}
+
 function createStreetSource() {
     return _createCachedSource(Service.getService().tiles.street);
 }