Adding the template for google analytics (#304)

* adding the template for google analytics

* update version (google analytics enabled)

pacehrh/DESCRIPTION

@@ -1,7 +1,7 @@
 Type: Package
 Package: pacehrh
 Title: Population-Aware Capacity Estimator for Human Resources for Health
-Version: 2.0.0
+Version: 2.0.1
 Author: Charles Eliot, Brittany Hagedorn
 Maintainer: Charles Eliot <[email protected]>
 Description: This package models the healthcare needs of a given population so you

pacehrh/_pkgdown.yml

@@ -0,0 +1,15 @@
+template:
+  includes:
+    in_header: |
+        <!-- Google Tag Manager -->
+        <script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
+        new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
+        j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
+        'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
+        })(window,document,'script','dataLayer','GTM-NK4K647');</script>
+        <!-- End Google Tag Manager -->
+    before_body: |
+        <!-- Google Tag Manager (noscript) -->
+         <noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-NK4K647"
+         height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
+        <!-- End Google Tag Manager (noscript) -->