Add CI

[BrandonKlotz]

Is your feature request related to a problem? Please describe.
Currently we don't have continuous testing integrated/blocking PRs if specs are failing.

Describe the solution you'd like
Integrate Travis CI's Free Tier to improve GitHub workflows.

[chiperific]

What about Circle CI?
I've successfully used Circle CI, but never Travis CI.

Any reason to specifically use Travis?

[chiperific]

Steps:

• Add Circle CI
• Write Feature tests