feat(App): Horjar code on production envirement only.

public/index.html

@@ -19,6 +19,8 @@
       user's mobile device or desktop. See https://developers.google.com/web/fundamentals/web-app-manifest/
     -->
     <link rel="manifest" href="%PUBLIC_URL%/manifest.json" />
+
+    <% if (process.env.NODE_ENV === 'production') { %>
     <!-- Hotjar Tracking Code for https://app.bigcapital.ly/ -->
     <script>
       (function (h, o, t, j, a, r) {
@@ -35,6 +37,7 @@
         a.appendChild(r);
       })(window, document, 'https://static.hotjar.com/c/hotjar-', '.js?sv=');
     </script>
+    <% } %>
     <!--
       Notice the use of %PUBLIC_URL% in the tags above.
       It will be replaced with the URL of the `public` folder during the build.