update the example env file

Author: adibhanna

.env.example

@@ -1,19 +1,32 @@
 APP_ENV=local
+APP_KEY=
 APP_DEBUG=true
-APP_KEY=SomeRandomString
+APP_LOG_LEVEL=debug
+APP_URL=http://localhost
 
-DB_HOST=localhost
+DB_CONNECTION=mysql
+DB_HOST=127.0.0.1
+DB_PORT=3306
 DB_DATABASE=homestead
 DB_USERNAME=homestead
 DB_PASSWORD=secret
 
+BROADCAST_DRIVER=log
 CACHE_DRIVER=file
 SESSION_DRIVER=file
 QUEUE_DRIVER=sync
 
+REDIS_HOST=127.0.0.1
+REDIS_PASSWORD=null
+REDIS_PORT=6379
+
 MAIL_DRIVER=smtp
 MAIL_HOST=mailtrap.io
 MAIL_PORT=2525
 MAIL_USERNAME=null
 MAIL_PASSWORD=null
 MAIL_ENCRYPTION=null
+
+PUSHER_APP_ID=
+PUSHER_APP_KEY=
+PUSHER_APP_SECRET=