Docs: Restructure API overview

jedi/__init__.py

@@ -43,6 +43,7 @@ from jedi.api.environment import find_virtualenvs, find_system_environments, \
     get_system_environment, InterpreterEnvironment
 from jedi.api.project import Project, get_default_project
 from jedi.api.exceptions import InternalError, RefactoringError
+
 # Finally load the internal plugins. This is only internal.
 from jedi.plugins import registry
 del registry