[Docs] Fix a link
[Docs] Fix a link

Fixes the link to networking teplates section.

Change-Id: Iaebfa19eeb39d95aee38a0e58c53a926bbd121c1
Closes-Bug: #1612847

stackforge/fuel-plugin-elasticsearch-kibana,stackforge/fuel-plugin-elasticsearch-kibana,stackforge/fuel-plugin-elasticsearch-kibana