Add wander, a HashiCorp Nomad terminal client

[robinovitch61]

Checklist for submitting a pull request to Terminals Are Sexy:

• I have carefully read and comply with the Contributing Guidelines of this repo.
• I have searched the PRs of this repo and believe that this is not a duplicate.

• Title: wander
• Link: https://github.com/robinovitch61/wander
• Category: Tools and Plugins
• Description: A HashiCorp Nomad terminal client.