cranology 1.0.0

Breaking change

As of July 1, 2023, the MRAN site no longer exists. The dependent functions have been replaced and renamed to scrape number of available packages on PPM (https://packagemanager.posit.co) :
- get_package_number_mran() -> get_package_number_ppm()

Update

Data update :
- cran_monthly_package_number
- cran_packages_history

cranology 0.1.0

Stabilise API

scrape_cran(): function to generate both cran_packages_history and cran_monthly_package_number datasets.
get_package_number_mran(): function to scrape number of available packages on MRAN.
update_montly_package_number(): uses get_package_number_mran() to update datase cran_monthly_package_number.
plot_montly_package_number(): function to plot cran_monthly_package_number.

Misc

Add Continous Integration
Update README to a decent standard