Resolve "Add rudimentary matomo tracker to the website"

Closes #99 (closed)

src/assets/env.template.js

@@ -8,4 +8,6 @@
   window["env"]["authApiUrl"] = "${AUTH_API_BASE_URL}";
   window["env"]["resourceApiUrl"] = "${RESOURCE_API_BASE_URL}";
   window["env"]["devSystem"] = "${DEV_SYSTEM}";
+  window["env"]["matomoHost"] = "${MATOMO_HOST}";
+  window["env"]["matomoSiteId"] = "${MATOMO_SITE_ID}";
 })(this);