doc/radosgw: Fix indentation in cloud-transition.rst

Indent the second paragraph of a list item at the same level as the
previous paragraph. The unexpected indentation resulted in an ERROR from
Sphinx but it was still rendered with increased indentation looking
rather out of place.

Capitalize the first letter similarly to the previous paragraph.

Signed-off-by: Ville Ojamo <[email protected]>

Author: bluikko

doc/radosgw/cloud-transition.rst

@@ -353,8 +353,9 @@ attributes are added to the objects being transitioned:
 
    If set to default ``true``, the cloud service should map and store all
    ``the x-amz-meta-*`` attributes. If it cannot, then the operation should fail.
-    if set to ``false``, the cloud service can ignore such attributes and
-    just store the object data being sent.
+
+   If set to ``false``, the cloud service can ignore such attributes and
+   just store the object data being sent.
 
 By default, post-transition, the source object gets deleted. But it is possible
 to retain its metadata with updated values (including ``storage-class``