POC: Streamline Netlify configuration

[TangoYankee]

Description

Looking through the netlify.toml documentation, there appeared to be an opportunity to streamline the configuration. This is meant as a point of discussion, without an expectation of adopting this refactor

Changes Proposed:

• Abbreviate yarn build --environment=production to yarn build
  • the default environment in package.json is already production
• Move variables into context.[name].environment
  • Allows command to no longer be concerned with the environment variables
• Allow contexts that use a production build to fallback to command set in the build
• Change master to production
  • Netlify UI is configured to look at a specific branch for the production environment
  • This allows use to change the deployment branch without updating the configuration each time

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