- [x] Have you followed the guidelines for contributing? - [x] Have you signed the [CLA](http://www.ubuntu.com/legal/contributors/)? - [x] Have you successfully run `make lint && make test`? --- This PR adds a new how-to guide on how to inspect rocks using [dive](https://github.com/wagoodman/dive) --- See [built docs](https://canonical-ubuntu-documentation-library--853.com.readthedocs.build/rockcraft/en/853/how-to/rocks/inspect-rocks-with-dive/)