message: Update README
  Add badges (licence, PR's welcome and Contributor covenant)
diff: # Monorepo for Reach4Help
  +[![covidaid site released under the MIT license.](https://img.shields.io/badge/license-MIT-blue.svg)](./LICENSE)
  +[![PRs welcome!](https://img.shields.io/badge/PRs-welcome-brightgreen.svg)](./CONTRIBUTING.md)
  +[![Contributor Covenant](https://img.shields.io/badge/Contributor%20Covenant-v2.0%20adopted-ff69b4.svg)](code_of_conduct.md)
  +
  <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
  [![All Contributors](https://img.shields.io/badge/all_contributors-3-orange.svg?style=flat-square)](#contributors-)
  <!-- ALL-CONTRIBUTORS-BADGE:END -->
  