add page for aur search

install aur package by button click

frontend/lib/components/routing/router.dart

@@ -1,3 +1,4 @@
+import 'package:aurcache/screens/aur_screen.dart';
 import 'package:aurcache/screens/build_screen.dart';
 import 'package:aurcache/screens/builds_screen.dart';
 import 'package:aurcache/screens/dashboard_screen.dart';
@@ -40,6 +41,10 @@ final appRouter = GoRouter(
           path: '/packages',
           builder: (context, state) => const PackagesScreen(),
         ),
+        GoRoute(
+          path: '/aur',
+          builder: (context, state) => AurScreen(),
+        ),
         GoRoute(
           path: '/package/:id',
           builder: (context, state) {

frontend/lib/components/routing/side_menu.dart

@@ -43,12 +43,16 @@ class SideMenu extends StatelessWidget {
             DrawerListTile(
               title: "Builds",
               svgSrc: "assets/icons/menu_tran.svg",
-              press: () {},
+              press: () {
+                context.go("/builds");
+              },
             ),
             DrawerListTile(
               title: "AUR",
               svgSrc: "assets/icons/menu_task.svg",
-              press: () {},
+              press: () {
+                context.go("/aur");
+              },
             ),
             DrawerListTile(
               title: "Settings",