Authorise Twitter users to send Auto DMs

Now you can sign-in all your Twitter users. This step will generate access keys to your Twitter app to your Twitter users. Your Twitter app can access multiple users.
Click on Sign in with Twitter User and you will be redirected to twitter.com for authorization and will be redirected back to our application.
Perform this for every user you want this service to run.

We are now done with activating your Auto DM app. Now lets move to define Auto DM new Followers & Campaigns