como-ph/oxcovid19: oxcovid19 v0.1.2

This is the third CRAN release of oxcovid19. In this release:

• added function to get remote table metadata (party to fix CRAN NOTE on non-use of imported dbplyr package)

• added convenience wrapper functions to retrieve data from specific tables based on specified query parameters

• added utility function to help in citing appropriate data sources

• improved documentation including adding markdown support

• updated lifecycle to maturing

• addressed CRAN NOTE regarding 2 marked UTF-8 strings

• addressed CRAN NOTE regarding non-use of imported dbplyr package