* add link to cheatsheets
* fix ordering in courses-id
* Added git, CSS, HTML, and JS cheatsheets
* Update formatting and added to Table of Contents
Co-authored-by: eric <eric@hellman.net>
* free-programming-cheatsheets.md
I have used both of these links during College and they have saved me from hours of searching for help, just by going too these websites.
* Update free-programming-cheatsheets.md
* Add MongoDB cheatsheet
I couldn't find this covered in an existing PR, linked cheatsheet is my current go-to.
* Add new section to Index
* Appease linter