4565: Removed subroutes from the client since it is not used. Added documentation

Author: tuj

README.md

@@ -504,6 +504,15 @@ classDiagram
     Feed "0..n" -- "1" FeedSource
 ```
 
+## Online check for Client
+
+If the client does not have internet when starting, it cannot load the assets needed for the Client.
+The `public/client/online-check` has been added to handle this.
+The folder contains an `index.html`, that checks connectivity before redirecting to `/client`.
+If this index.html is cached in the browser the online check page can load without internet.
+
+To use this, set the starting path of the Client to `/client/online-check`.
+
 ## Error codes in the Client
 
 The Client at `/client` can display the following error codes:

config/routes.yaml

@@ -21,6 +21,7 @@ authentication-unbind-screen:
     controller: App\Controller\Api\AuthScreenUnbindController
 
 admin:
+    # Sub routes are included to pass route control to the React App.
     path: /admin{subroutes}
     requirements:
         # https://symfony.com/doc/current/routing.html#slash-characters-in-route-parameters
@@ -29,10 +30,7 @@ admin:
     controller: App\Controller\Admin\AdminController
 
 client:
-    path: /client{subroutes}
-    requirements:
-        # https://symfony.com/doc/current/routing.html#slash-characters-in-route-parameters
-        subroutes: '.*'
+    path: /client
     methods: ['GET']
     controller: App\Controller\Client\ClientController
 
@@ -48,6 +46,7 @@ client_config:
 
 when@dev:
     templates:
+        # Sub routes are included to pass route control to the React App.
         path: /template{subroutes}
         methods: ['GET']
         requirements: