feat: Add office hours banner (#3843)

* feat: Add office hours banner

* fix: Updating link for banner

docs/_layouts/default.html

@@ -5,9 +5,9 @@
     </head>
     <body{% if page.slug %} class="{{ page.slug }}{% if page.slug != 'index-page' and page.slug !='how-it-works' and page.slug != 'guides' %} sub-page{% endif %}" {% endif %}>
         {% include banner.html
-            text="✨&nbsp;&nbsp;Read The Road to Terragrunt 1.0 "
-            link_url="https://blog.gruntwork.io/the-road-to-terragrunt-1-0-4d5a0b416086"
-            link_text="Blog Post"
+            text="📅 Get live support in Terragrunt Office Hours every other Wednesday! "
+            link_url="https://github.com/gruntwork-io/terragrunt/discussions/3561"
+            link_text="Click here to learn more."
             target="_blank"
             has_button=false
         %}