Add blog links and update buttons copy

Author: nienn

readthedocs-theme/templates/readthedocs/product.html

@@ -13,7 +13,7 @@
         <div class="column">
 
           <div>
-            <h3 class="ui header inverted">Docs as Code</h3>
+            <h3 class="ui header inverted">Write docs like you code</h3>
             <p>
               Read the Docs simplifies the entire process of building and deploying developer documentation. With support for Sphinx, Mkdocs, and Jupyter Book, you can integrate your code and user-facing documentation using the same tools. Create beautiful documentation easily with themes, and preview every commit with pull request previews.
             </p>
@@ -60,7 +60,7 @@ <h3 class="ui header inverted">Docs as Code</h3>
           </div>
 
           <div>
-            <a href="" class="ui button green fluid large">About the engineering workflow</a>
+            <a href="https://docs.readthedocs.io/en/stable/guides/developers.html" class="ui button green fluid">Learn about the engineering workflow</a>
           </div>
         </div>
 
@@ -91,7 +91,7 @@ <h3 class="ui header inverted">Write with reStructuredText or Markdown</h3>
 
           </div>
           <div>
-            <a href="" class="ui button green fluid large">Using RTD as a technical writer</a>
+            <a href="https://docs.readthedocs.io/en/stable/guides/authors.html" class="ui button green fluid">Using RTD as a technical writer</a>
           </div>
         </div>
 
@@ -129,7 +129,7 @@ <h3 class="ui header inverted">Easy documentation deployment for technical teams
 
           </div>
           <div>
-            <a href="" class="ui button green fluid large">How RTD works for teams</a>
+            <a href="https://docs.readthedocs.io/en/stable/guides/administrators.html" class="ui button green fluid">How RTD works for teams</a>
           </div>
         </div>