Update UI and migration,seeder for notification.

database/migrations/2018_07_21_102920_create_notification_table.php

@@ -16,7 +16,9 @@ class CreateNotificationTable extends Migration
         Schema::create('notifications', function (Blueprint $table) {
             $table->increments('id');
             $table->string('detail');
+            $table->string('link');
             $table->unsignedInteger('user_id');
+            $table->boolean('is_read')->default(0);
             $table->timestamps();
 
             $table->foreign('user_id')

database/seeds/NotificationSeeder.php

@@ -19,6 +19,7 @@ class NotificationSeeder extends Seeder
         DB::table('notifications')->insert([
             'detail' => 'This is an user seeder notification',
             'user_id' => $user->id,
+            'link' => 'http://www.google.com',
             'created_at' => Carbon::now()->format('Y-m-d H:i:s'),
             'updated_at' => Carbon::now()->format('Y-m-d H:i:s'),
         ]);
@@ -26,6 +27,7 @@ class NotificationSeeder extends Seeder
         DB::table('notifications')->insert([
             'detail' => 'This is an admin seeder notification',
             'user_id' => $admin->id,
+            'link' => 'http://www.google.com',
             'created_at' => Carbon::now()->format('Y-m-d H:i:s'),
             'updated_at' => Carbon::now()->format('Y-m-d H:i:s'),
         ]);