docs: networking: convert ipvs-sysctl.txt to ReST

- add SPDX header;
- add a document title;
- mark lists as such;
- mark code blocks and literals as such;
- adjust identation, whitespaces and blank lines;
- add to networking/index.rst.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Acked-by: Simon Horman <horms@verge.net.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

Documentation/admin-guide/sysctl/net.rst

@@ -353,8 +353,8 @@ socket's buffer. It will not take effect unless PF_UNIX flag is specified.
 
 3. /proc/sys/net/ipv4 - IPV4 settings
 -------------------------------------
-Please see: Documentation/networking/ip-sysctl.rst and ipvs-sysctl.txt for
-descriptions of these entries.
+Please see: Documentation/networking/ip-sysctl.rst and
+Documentation/admin-guide/sysctl/net.rst for descriptions of these entries.
 
 
 4. Appletalk

Documentation/networking/index.rst

@@ -72,6 +72,7 @@ Contents:
    ip-sysctl
    ipv6
    ipvlan
+   ipvs-sysctl
 
 .. only::  subproject and html
 

MAINTAINERS

@@ -8934,7 +8934,7 @@ L:	lvs-devel@vger.kernel.org
 S:	Maintained
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/horms/ipvs-next.git
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/horms/ipvs.git
-F:	Documentation/networking/ipvs-sysctl.txt
+F:	Documentation/networking/ipvs-sysctl.rst
 F:	include/net/ip_vs.h
 F:	include/uapi/linux/ip_vs.h
 F:	net/netfilter/ipvs/