* feat: add fixtures_path
* test: add test for fixtures_path
* docs: expand test docs with fixtures_path
* test: add new test instead of co-opting and old one.
* feat: add explicit path operating mode for fixtures parameters and allow combining multiple fixtures parameters
* fix: require .sql extension for explicit path fixtures
* feat: add custom relative path style to fixtures argument
* fix: missing cfg feature
* docs: update
* fix: explicit fixtures styling checks for paths. Remove strict sql extension requirement for explicit path, they still need an extension. Add .sql extension to implicit fixtures style only if missing.
* style: cargo fmt
* docs: update documentation
