vpp-swan: Add plugin for vpp-swan

Added plugin vpp-swan is a plugin that helps offloading
Strongswan IPsec ESP process from Linux Kernel to VPP.

Type: feature
Signed-off-by: Gabriel Oginski <gabrielx.oginski@intel.com>
Change-Id: Iec77945892453fac1890d3c49d7d86fc6b09c893
diff --git a/MAINTAINERS b/MAINTAINERS
index 4bc34b0..865d1f2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -817,6 +817,12 @@
 M:	Laszlo Kiraly <laszlo.kiraly@est.tech>
 F:	src/extras/rpm/opensuse
 
+VPP StrongSwan Daemon
+I:	vpp-swan
+M:	Fan Zhang <roy.fan.zhang@intel.com>
+M:	Gabriel Oginski <gabrielx.oginski@intel.com>
+F:	extras/strongswan/vpp_sswan
+
 THE REST
 I:	misc
 M:	vpp-dev Mailing List <vpp-dev@fd.io>