Update requirement files with new feature templates and fix backend API error message, along with mobile project config updates and documentation improvements

03_source/mobile/src/pages/MainTabs.tsx

@@ -17,6 +17,7 @@ import MyProfile from './MyProfile';
 import MessageList from './MessageList';
 import PATHS from '../PATHS';
 import Favourites from './Favourites';
+import Helloworld from './Helloworld';
 import TabAppRoute from '../TabAppRoute';
 
 interface MainTabsProps {}
@@ -40,6 +41,7 @@ const MainTabs: React.FC<MainTabsProps> = () => {
         <Route path="/tabs/map" render={() => <MapView />} exact={true} />
 
         <Route path="/tabs/about" render={() => <About />} exact={true} />
+        <Route path="/tabs/helloworld" render={() => <Helloworld />} exact={true} />
 
         {/*  */}
         <TabAppRoute />