Add reverse directions button to batch trip planning form

[landonreed]

The button is needed in this version of the trip planning form as well, but was accidentally left out.

[github-actions]

🎉 This issue has been resolved in version 3.1.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot 📦🚀