Editing paths docs

[spacey-sooty]

TODO:

• Update list of constraints and definitions
• Describe relationship between empty waypoints and constraints, vs unconstrained empty points being initial guess.
• Add section describing Samples override input (available on all waypoint types)
• Add section describing Split toggle per-waypoint, what it does to path loading, and advice for use cases
• Update list of constraints and definitions
• document choreolib events
• document pathplannerlib events

[shueja]

Don't use your team's project for these demo videos please.

[oh-yes-0-fps]

Don't use your team's project for these demo videos please.

Whats the reason for that?

[shueja]

Don't use your team's project for these demo videos please.

Whats the reason for that?

At the very least, don’t include the VeryBadIdeaTm path.