Build habitat plan for leverage

[themightychris]

See manual setup instructions: https://github.com/Lever-age/infra

• [ ] Walk through creating a plan for the Leverage app: https://www.habitat.sh/docs/create-plans
• [ ] Test thoroughly
• [ ] Seek review from habitat slack

[themightychris]

Going to wait for @lottspot 's implementation to use as a model

[themightychris]

Scratch that last comment, the manual instructions in the project's current readme is all i should need

[themightychris]

Effort is underway here: https://github.com/Lever-age/infra/pull/1