board outline should require either a width/height or board outline

[ShiboSoftwareDev]

right now it requires a width and a height but board outline is optional, we should make it so that you must provide either of them

[homie-gg]

Here are some pull requests that might be helpful reference for this task:

• added BoardProps outline prop type
• added pcb_board outline prop type
• added optional outline prop to board-builder

[homie-gg]

This might have already been done via: can now draw boards rectangular and outlined.