[FEAT] Provide live environments for examples

[tbouffard]

We would like to link to a live environment that can showcase the usage of our package
The solution requires we can install our package and probably from CRAN (see #10)

To check

• https://replit.com/languages/rlang
• https://www.jdoodle.com/execute-r-online/
• https://www.online-ide.com/online_r_compiler
• https://www.mycompiler.io/new/r
• https://www.tutorialspoint.com/execute_r_online.php
• https://ideone.com/l/r
• https://rdrr.io/snippets/ "Run any R code you like. There are over nineteen thousand R packages preloaded."
• https://jupyter.org/try powered by https://mybinder.org/
• .....