Summary: Adding ibazel fix commands to the repo. Useful for ibazel w/ golang

Test Plan: `ibazel -run_output -run_output_interactive=false //:go_target` after adding a package to a go file will run make gazelle.

Reviewers: vihang

Reviewed By: vihang

Differential Revision: https://phab.corp.pixielabs.ai/D8545

GitOrigin-RevId: d095db19f186d94c778dde88e4895707a014be39