Merge pull request #1645 from YunoHost/enh_app_id_settings

[enh] app id in settings

src/app.py

@@ -2012,6 +2012,9 @@ def _get_app_settings(app):
         ):
             settings["path"] = "/" + settings["path"].strip("/")
             _set_app_settings(app, settings)
+            
+        # Make the app id available as $app too
+        settings["app"] = app
 
         if app == settings["id"]:
             return settings