Add Procfile

[jazairi]

Following a recent production deploy, GeoData went
offline because the release had no runnable web
process. It's unclear as yet why this happened in
a one-off manner, but adding a Procfile should
prevent it from occurring again.

Developer

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New ENV

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[coveralls]

Coverage Report for CI Build 30289156986

Coverage remained the same at 98.384%

Details

• Coverage remained the same as the base build.
• Patch coverage: No coverable lines changed in this PR.
• No coverage regressions found.

Uncovered Changes

No uncovered changes found.

Coverage Regressions

No coverage regressions found.

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Coverage Stats

Relevant Lines:	1547
Covered Lines:	1522
Line Coverage:	98.38%
Coverage Strength:	85.47 hits per line

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💛 - Coveralls

[JPrevost]

This is likely correct for this app at this time. We'll need to remember to add a db:migrate line in if we ever actually use the database (which I don't think we do at all currently).

[jazairi]

@JPrevost Correct, the db is not in use. I initially had that line in, but it seemed best to leave it out for now.