Make subscription form in footer working.

[chaitanyagiri]

I'm submitting a ...

• [ ] bug report
• [x] feature request

Current behaviour: Subscription form in footer do not works.

Expected behaviour: Subscription form will work and save data.

put a 'x' inside [ ] to check. create subscription schema make a post request and edit index route

[aman-roy]

Use mailchimp for that.