Add custom script to virginia theme (#56)

ckanext/opendata_theme/extended_themes/virginiaogda/templates/base.html

@@ -4,3 +4,9 @@
   {{ super() }}
   <link rel="stylesheet" href="/css/custom.css" />
 {% endblock %}
+
+{%- block scripts %}
+  {{ super() }}
+  <script src=https://www.developer.virginia.gov/media/developer/resources/branding-bar/brandingbar.php data-item="va_aabrandingbar" aaname="Virginia Office of Data Governance and Analytics - Virginia Open Data Portal" aatheme="aatheme-black" aaAnchorTag=https://www.odga.virginia.gov/id aaSkipNav="mainContent" defer="" ></script>
+  <script async src="https://siteimproveanalytics.com/js/siteanalyze_6289812.js"></script>
+{% endblock -%}