[GREEN] Done implement navigation to login

lib/component/bisago_drawer.dart

 import 'package:flutter/material.dart';
 import 'package:ppl_disabilitas/config/styles.dart';
+import 'package:ppl_disabilitas/page/login/login.dart';
 
 class BisaGoDrawer extends StatelessWidget {
   final List<Map<String, dynamic>> drawerList = [
@@ -27,6 +28,7 @@ class BisaGoDrawer extends StatelessWidget {
               SizedBox(
                 width: 40,
                 child: FloatingActionButton(
+                  heroTag: null,
                   backgroundColor: Colors.white,
                   elevation: 0,
                   onPressed: () => {},
@@ -83,7 +85,7 @@ class BisaGoDrawer extends StatelessWidget {
         ),
         onTap: () {
           if(title == 'Login') {
-            _navigateToLogin(context);
+            _navigateToLoginPage(context);
           }
         },
       ),
@@ -96,7 +98,8 @@ class BisaGoDrawer extends StatelessWidget {
     );
   }
 
-  void _navigateToLogin(BuildContext context) {
-
+  void _navigateToLoginPage(BuildContext context) {
+    final route = MaterialPageRoute(builder: (_) => Login());
+    Navigator.of(context).push(route);
   }
 }