This MR makes the following changes:

* Re-organizes the docs to have somewhat a better story
* Renames all the scripts to start with "VERB_ACTION.py" -- Previous
namings like articulation.py was causing file-search conflicts

- This change requires a documentation update

- [x] I have run the [`pre-commit` checks](https://pre-commit.com/) with
`./orbit.sh --format`
- [x] I have made corresponding changes to the documentation
- [ ] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my
feature works
- [ ] I have updated the changelog and the corresponding version in the
extension's `config/extension.toml` file
- [x] I have added my name to the `CONTRIBUTORS.md` or my name already
exists there