Add Fest banner (#71360)

Adds Fest banner, with fixes; updates existing banners, adds links.

docs/docsite/_themes/sphinx_rtd_theme/ansible_banner.html

@@ -6,11 +6,7 @@
     // Create a banner if we're not on the official docs site
     if (location.host == "docs.testing.ansible.com") {
       document.write('<div id="testing_banner_id" class="admonition important">');
-      para = document.createElement('p');
-      banner_text=document.createTextNode("This is a testing site. For the official docs go to https://docs.ansible.com/");
-      para.appendChild(banner_text);
-      element = document.getElementById('testing_banner_id');
-      element.appendChild(para);
+      document.write('<p>This is the testing site for Ansible Documentation. Unless you are reviewing pre-production changes, please visit the <a href="https://docs.ansible.com/ansible/latest/">official documentation website</a>.</p> <p></p>');
       document.write('</div>');
     }
     {% if (not READTHEDOCS) and (available_versions is defined) %}
@@ -18,21 +14,18 @@
       current_url_path = window.location.pathname;
       if (startsWith(current_url_path, "/ansible/latest/") || startsWith(current_url_path, "/ansible/{{ latest_version }}/")) {
        // no banner for latest release
+       // temp banner to advertise AnsibleFest
+        document.write('<div id="banner_id" class="admonition important">');
+        document.write('<p><a href="https://www.ansible.com/ansiblefest">AnsibleFest</a> is going virtual with two days of expert speakers, live demos and hands-on labs Oct 13-14!</p>');
+        document.write('</div>');
+
       } else if (startsWith(current_url_path, "/ansible/devel/")) {
         document.write('<div id="banner_id" class="admonition caution">');
-        para = document.createElement('p');
-        banner_text=document.createTextNode("You are reading the *devel* version of the Ansible documentation - this version is not guaranteed stable. Use the version selection to the left if you want the latest stable released version.");
-        para.appendChild(banner_text);
-        element = document.getElementById('banner_id');
-        element.appendChild(para);
+        document.write('<p>You are reading the *devel* version of the Ansible documentation - this version is not guaranteed stable. Use the version selection to the left if you want the latest stable released version.</p>');
         document.write('</div>');
       } else {
         document.write('<div id="banner_id" class="admonition caution">');
-        para = document.createElement('p');
-        banner_text=document.createTextNode("You are reading an older version of the Ansible documentation. Use the version selection to the left if you want the latest stable released version.");
-        para.appendChild(banner_text);
-        element = document.getElementById('banner_id');
-        element.appendChild(para);
+        document.write('<p>You are reading an older version of the Ansible documentation. Use the version selection to the left if you want the latest stable released version.</p>');
         document.write('</div>');
       }
     {% endif %}