fix: skip readthedocs if no readthedocs file present (#693)

* fix: skip readthedocs if no readthedocs file present

Signed-off-by: Henry Schreiner <[email protected]>

* style: pre-commit fixes

---------

Signed-off-by: Henry Schreiner <[email protected]>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: henryiii

src/sp_repo_review/checks/readthedocs.py

@@ -148,5 +148,9 @@ def readthedocs(root: Traversable) -> dict[str, Any]:
     return {}
 
 
-def repo_review_checks() -> dict[str, ReadTheDocs]:
+def repo_review_checks(
+    list_all: bool = True, readthedocs: dict[str, Any] | None = None
+) -> dict[str, ReadTheDocs]:
+    if not list_all and not readthedocs:
+        return {}
     return {p.__name__: p() for p in ReadTheDocs.__subclasses__()}