Description on top of documentation added

Author: carmelag

README.md

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-<h1 align="center">
-  coronavirus-tracker (API)
-</h1>
+## Coronavirus Tracker API
+Provides up-to-date data about Coronavirus outbreak. Includes numbers about confirmed cases, deaths and recovered.
 
 > This is a fast (< 200ms) and basic API for tracking development of the new coronavirus (COVID-19, SARS-CoV-2). It's written in python using 🍼 Flask. Supports multiple sources!
 
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 ![Covid-19 Recovered](https://covid19-badges.herokuapp.com/recovered/latest)
 ![Covid-19 Deaths](https://covid19-badges.herokuapp.com/deaths/latest)
 
+
 ## Endpoints
 
 All requests must be made to the base url: ``https://coronavirus-tracker-api.herokuapp.com/v2/`` (e.g: https://coronavirus-tracker-api.herokuapp.com/v2/locations). You can try them out in your browser to further inspect responses.