update data

data/RKI_COVID19__2021-02-20__bundeslaender.csv

data/RKI_COVID19__2021-02-20__landkreise.csv

data/RKI_COVID19__2021-03-03__bundeslaender.csv

data/RKI_COVID19__2021-03-03__landkreise.csv

data/RKI_COVID19__2021-03-09__bundeslaender.csv

data/RKI_COVID19__2021-03-09__landkreise.csv

data/RKI_COVID19__2021-03-11__bundeslaender.csv

data/RKI_COVID19__2021-03-11__landkreise.csv

data/RKI_COVID19__2021-04-01__bundeslaender.csv

data/RKI_COVID19__2021-04-01__landkreise.csv

data/RKI_COVID19__2021-04-03__bundeslaender.csv

data/RKI_COVID19__2021-04-03__landkreise.csv

data/WHO-COVID-19-global-data.csv

data/germany_vaccinations_timeseries_v2.tsv

data/owid-covid-data.csv