Implement pre-commit for webpack bundles

[maltezacharias]

• Automatically run prettier on build
• Automatic linting
• Prevent committing as long as linting errors exist
• Document setup process for pre-commit hook on dev workstations

[bjrne]

From the config, setup seems rather easy with the pre-commit framework. i can give this a try tomorrow.

- repo: https://github.com/prettier/prettier
  rev: "" # Use the sha or tag you want to point at
  hooks:
    - id: prettier