docs: update list of plugins

The list of plugins is outdated.

This change introduces a dynamically
generated list of the plugins along with their descriptions,
extracted directly from the sources.

Type: docs

Change-Id: Icb7b65e6b45289e257d71a1c18d10f62ced59cbe
Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
diff --git a/docs/gettingstarted/installing/packages.rst b/docs/gettingstarted/installing/packages.rst
index 719fffb..6c4fae1 100644
--- a/docs/gettingstarted/installing/packages.rst
+++ b/docs/gettingstarted/installing/packages.rst
@@ -35,19 +35,7 @@
 
 Vector Packet Processing plugin modules.
 
-* acl
-* dpdk
-* flowprobe
-* gtpu
-* ixge
-* kubeproxy
-* l2e
-* lb
-* memif
-* nat
-* pppoe
-* sixrd
-* stn
+.. include:: ../../dynamic_includes/plugin_list.inc
 
 vpp-dbg
 -------