<!-- Have any questions? Check out the contributing docs at https://gruntwork.notion.site/Gruntwork-Coding-Methodology-02fdcd6e4b004e818553684760bf691e, or ask in this issue and a Gruntwork core maintainer will be happy to help :) --> **Describe the solution you'd like** Add a pre-commit hook for running packer fmt, similar to the hook for running terraform fmt **Describe alternatives you've considered** NA **Additional context** NA