Flexible % including 0 (instead of 5% hardcoded rn) - use Redux to manage its state

[DarrenSem]

Perhaps above the "insert" button, add a new field for the % given to Chip Leader,.

Still default to 5 -- but if blanked that is treated as 0 which would show actual even chop -- thus allowing for easy comparison between the 2 possibilities (thus reducing arguments 🤔)

[DarrenSem]

Also, use Redux for this new state. Because why not?

[DarrenSem]