- [x] Have you signed the [CLA](http://www.ubuntu.com/legal/contributors/)? - [x] Have you added an entry to the changelog (`docs/reference/changelog.rst`)? ----- This PR adds more examples to the `source` field in documentation. Note that docs now say "every git url format is supported" but SCP formatted string may cause infinite loading - see https://github.com/canonical/craft-parts/issues/1058 ---- See [built docs](https://canonical-craft-parts--1057.com.readthedocs.build/en/1057/)