add <Footer /> component

[kryptokinght]

This is a basic version. Further changes will be made on your suggestions . UPDATE:

Removed @zeit/next-css package Added css to Footer.js itself removed next.config.js solved(or created) indentation problem in Icons/Chevron.js

[vercel[bot]]

Since this Pull Request originated from a forked repository, Now cannot deploy it as there are potential security risks.

If you are a collaborator on this repository, consider making this Pull Request from a branch on the same repository instead of a fork.