Set up Google Java style guide linter as CI step

[knjk04]

Is your feature request related to a problem? If so, please describe. We currently rely on manually checking style guide violations

Describe the solution you'd like Add a GitHub action that can check if any style guide recommendations were violated. If so, the step should fail. This should run before the unit tests CI step.

Additional context

• Be sure to read the contributing guidelines first!
• Discuss your implementation approach with us before we assign you to it
• Provide us with an estimate on how long you think it will take you to complete
• Branch from main and set main as the destination branch in your pull request

If you need help with anything, we'll be happy to help you over a GitHub Q&A discussion or our Slack workspace

[ooutofmind]

@knjk04 could you please review my PR