feat: add vivainsights R and Python cheatsheets

[martinctc]

Contributed Cheatsheet Information

Cheatsheet Name:
Two sets of cheatsheets have been submitted, for two affiliated packages

• (1) vivainsights R library
• (2) vivainsights Python library

1 sentence description of the contents:

Library with tools and functions to analyse and visualise data from Microsoft Viva Insights

Your Name (as you want to be credited on the website):

Martin Chan

A link to your github/website (optional):

• https://martinctc.github.io/

A link to relevant package documentation (optional):

• https://microsoft.github.io/vivainsights/
• https://microsoft.github.io/vivainsights-py/

Date created/updated (Month YYYY format): November 2024

Please be sure you've included the Creative Commons License:

• Add CC-BY-SA Your Name to copywrite under the Creative Commons on the cheatsheet

Check that you have done the following:

• Used descriptive file names, something like package-name.pdf or task-name.pdf and did not include "cheatsheet" in the title.
• Included a PDF file of entire cheatsheet.
• Included a PNG file of the first page size 1100 x 850 in the pngs folder (for the website thumbnail).
• Included a Keynote or PowerPoint or similar file in the relevant folder (helps translators who want to translate your cheatsheet).