Deploy snowpack frontend

[franTarkenton]

• Create a pipeline to deploy what is currently built to display the snowpack data

[franTarkenton]

simple CICD pipeline now implemented in PR#10

• open pr - creates ephemeral deployment in dev, updates the comment for the pr with the ephemeral route.
• close pr - tears down the ephemeral env created for the PR and deploys to prod.

PROD Url: https://snowpackdata-prod-frontend.apps.silver.devops.gov.bc.ca/