* Add openapi submodule instructions to README.md
Add instructions for updating the influx-cli/openapi git submodule when regenerating the CLI.
* update: instructions to update openapi
Add instructions to update and regenerate influx-cli/openapi when changing commits.
* docs: fill in README
* feat: initial setup of CLI, with help + version commands
* build: add linters and Makefile
* build: add initial CircleCI workflow