MAGE-860: comment added

Author: Mohammad Rahman

etc/csp_whitelist.xml

@@ -12,6 +12,7 @@
                 <value id="algolia-api" type="host">*.algolia.net</value>
                 <value id="algolia" type="host">*.algolia.com</value>
                 <value id="algolia-fallback" type="host">*.algolianet.com</value>
+                <!--insights.algolia.io white listed-->
                 <value id="algolia-insights-io" type="host">*.insights.algolia.io</value>
             </values>
         </policy>