Made module directly callable again

Author: adamlui

find-project-root/src/find_project_root/__init__.py

@@ -1,3 +1,7 @@
+import sys
+
 from .api import find_project_root
+from . import cli
 
-__all__ = ['find_project_root']
+sys.modules[__name__].cli = cli # type: ignore
+sys.modules[__name__] = find_project_root # type: ignore