Create .gitignore

Adding V3a

Updating Battery Board V3

Better_Battery_Board_with_CAN Nicole and Freshmen worked on this

Cleaned up files

Update README.md

Update README.md

Update README.md

Adding Ethernet capabilities Giving this a shot

Initial Push with V3 Schematic Pushing the battery board versions that presently exist. V2 existed on Pleaides Yearling and Pleiades Squared. V3 is currently a work in progress as an rp2040 is being added to the system.