add homepage (#5)

Co-authored-by: Jan-Marlon Leibl <jleibl@proton.me>
Reviewed-on: http://git.simonis.lol/sites/abiball/pulls/5
Reviewed-by: Hop In, I Have Puppies AND WiFi <jleibl@noreply@simonis.lol>
Co-authored-by: Constantin Simonis <constantin@simonis.lol>
Co-committed-by: Constantin Simonis <constantin@simonis.lol>

config/packages/asset_mapper.yaml

@@ -0,0 +1,11 @@
+framework:
+    asset_mapper:
+        # The paths to make available to the asset mapper.
+        paths:
+            - assets/
+        missing_import_mode: strict
+
+when@prod:
+    framework:
+        asset_mapper:
+            missing_import_mode: warn