docs: add pydrive2.fs

Author: efiop

docs/pydrive2.rst

@@ -40,3 +40,9 @@ pydrive2.settings module
     :members:
     :undoc-members:
     :show-inheritance:
+
+pydrive2.fs module
+------------------------
+
+.. autoclass:: pydrive2.fs.GDriveFileSystem
+    :show-inheritance:

pydrive2/fs/spec.py

@@ -153,6 +153,8 @@ def _service_auth(
 
 
 class GDriveFileSystem(AbstractFileSystem):
+    """Access to gdrive as an fsspec filesystem"""
+
     def __init__(
         self,
         path,
@@ -167,7 +169,7 @@ def __init__(
         profile=None,
         **kwargs,
     ):
-        """Access to gdrive as a file-system
+        """Create an instance of GDriveFileSystem.
 
         :param path: gdrive path.
         :type path: str.