docs: networking: convert operstates.txt to ReST

- add SPDX header;
- add a document title;
- adjust chapters, adding proper markups;
- mark lists as such;
- adjust identation, whitespaces and blank lines where needed;
- add to networking/index.rst.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/Documentation/networking/index.rst b/Documentation/networking/index.rst
index b7f558480aca..028a36821b9a 100644
--- a/Documentation/networking/index.rst
+++ b/Documentation/networking/index.rst
@@ -88,6 +88,7 @@ Contents:
    nf_conntrack-sysctl
    nf_flowtable
    openvswitch
+   operstates
 
 .. only::  subproject and html