docs: updating README with badges

Author: David Joy

README.md

@@ -0,0 +1,21 @@
+frontend-platform
+=================
+
+|Build Status| |Codecov| |NPM Version| |npm_downloads| |license|
+|semantic release|
+
+Overview
+--------
+
+.. |Build Status| image:: https://api.travis-ci.org/edx/frontend-platform.svg?branch=master
+   :target: https://travis-ci.org/edx/frontend-platform
+.. |Codecov| image:: https://img.shields.io/codecov/c/github/edx/frontend-platform
+   :target: https://codecov.io/gh/edx/frontend-platform
+.. |NPM Version| image:: https://img.shields.io/npm/v/@edx/frontend-platform.svg
+   :target: https://www.npmjs.com/package/@edx/frontend-platform
+.. |npm_downloads| image:: https://img.shields.io/npm/dt/@edx/frontend-platform.svg
+   :target: https://www.npmjs.com/package/@edx/frontend-platform
+.. |license| image:: https://img.shields.io/npm/l/@edx/frontend-platform.svg
+   :target: https://github.com/edx/frontend-platform/blob/master/LICENSE
+.. |semantic release| image:: https://img.shields.io/badge/%20%20%F0%9F%93%A6%F0%9F%9A%80-semantic--release-e10079.svg
+   :target: https://github.com/semantic-release/semantic-release