Covid-daily

Release Features:
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* **Data retrieval function `covid_daily.data(country)` has been fixed** since it was erroring due to a HighchartsJS parsing error.
* **Useless files have been removed**.
* **Unused CI tools have been discarded**.
* **Some other bugs and minor errors has been fixed** so as to ensure that all the available data can be easily retrieved.

Release Features:
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* **Open source Python package to retrieve COVID19 daily data from Worldometers**
* **Static data provided** from every country affected by the pandemic as listed on Worldometers.
* and much more!