One place for the various resources avalible for Mercury EE, Its time for us to git gud
Great tutorial to learn the basics of KiCad and how to get started.
https://www.youtube.com/watch?v=BVhWh3AsXQs&list=PLy2022BX6EspFAKBCgRuEuzapuz_4aJCn&index=1
A little guide for general PCB Design
https://www.alternatezone.com/electronics/files/PCBDesignTutorialRevA.pdf
https://www.ultralibrarian.com/ https://www.digikey.com/
The defult design rules are trash on KiCad this website helps you make them not trash.
https://docs.oshpark.com/design-tools/kicad/
This website is a good guide for for the design process for your schematic and PCB. (Currently working on condensing the checklist)
A chart to refer to for track width
http://caxapa.ru/thumbs/251715/currents.pdf
A calculator for all PCB related numbers, in the wise words of Lance Bantoto:
it's a blessed tool for pcb design, calculates everything
http://www.saturnpcb.com/pcb_toolkit/
If you dont know git, learn it (or just the basics)
Has the 13 neccesary commands for git
https://dev.to/dhruv/essential-git-commands-every-developer-should-know-2fl
Cheat Sheet for Git
https://www.git-tower.com/blog/git-cheat-sheet/
Big Thank you to Sarah Brown and Lance Bantoto for the various resources