include local.html file meant to define local analytics properties (#1612)

* include local.html file meant to define local analytics properties
include all specified local analytics properties in analytics events

* use new variable name jitsiDeploymentInfo to represent more general use as local deployment information collection

index.html

@@ -4,6 +4,7 @@
     <meta http-equiv="content-type" content="text/html;charset=utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <!--#include virtual="base.html" -->
+    <!--#include virtual="local.html" -->
     <script>
         window.indexLoadedTime = window.performance.now();
         console.log("(TIME) index.html loaded:\t", indexLoadedTime);