added functions module and functions and contacts screens, state and use cases

apps/mobile_app/lib/navigation/app_router.dart

@@ -1,4 +1,5 @@
 import 'package:auth/auth.dart';
+import 'package:functions/functions.dart';
 import 'package:legacy_dashboard_shell/legacy_dashboard_builder.dart';
 import 'package:dashboard_shell/dashboard_builder.dart';
 import 'package:flutter/material.dart';
@@ -40,8 +41,22 @@ void configureAppRouter() {
               ),
             ],
           ),
+          StatefulShellBranch(
+            routes: [
+              GoRoute(
+                path: AppRoutes.dashboardFunctions,
+                name: 'functions',
+                pageBuilder: FunctionsBuilder().buildPage,
+              ),
+            ],
+          ),
         ],
       ),
+      GoRoute(
+        path: AppRoutes.contacts,
+        name: 'contacts',
+        pageBuilder: ContactsBuilder().buildPage,
+      ),
 
       GoRoute(
         path: AppRoutes.login,

apps/mobile_app/pubspec.yaml

@@ -53,6 +53,8 @@ dependencies:
     path: ../../modules/legacy/modules/legacy_dashboard_shell
   splash:
     path: ../../modules/splash
+  functions:
+    path: ../../modules/legacy/modules/functions
   #packages dependencies go here
   navigation:
     path: ../../packages/navigation