Add homepage text (#216)

* Add homepage text

* added suggestions

index.html

@@ -40,17 +40,45 @@
       });
     </script>
   </div>
+<hr>
+  <div class="row">
+    <h1 class="page-heading">Welcome to ROS Index</h1>
+    <p>
+      ROS Index is the entry point for searching ROS and ROS 2 resources, including packages, repositories, system dependencies and documentation.
+    </p>
+    <p>
+      You can enter keywords and phrases in the search bar and then filter results by resource type, or you can browse the complete package, repository and system dependency lists under the <b>Index</b> tab.
+    </p>
+    <p>
+      Under the <b>Doc</b> tab, you’ll find the official ROS 2 documentation, including installation instructions, tutorials, distribution features and summaries, contributing guides, and more.
+    </p>
+    <p>
+      To go directly to the installation pages, <a href="https://index.ros.org/doc/ros2/Installation/">click here</a>.
+    <br>
+      To go directly to the tutorials, <a href="https://index.ros.org/doc/ros2/Tutorials/">click here</a>.
+    </p>
+  </div>
+ <hr>
+  <div class="row">
+  	<h2>Release announcements</h2>
+    <p>
+      <a href="https://wiki.ros.org/melodic">ROS Melodic</a>
+    </p>
+    <p>
+      <a href="https://index.ros.org/doc/ros2/Releases/Release-Eloquent-Elusor/">ROS 2 Eloquent</a>
+    </p>
+  </div>
   <hr>
   <div class="row">
-    <h1 class="page-heading">News <small>subscribe <a href="{{ "/feed.xml" | prepend: site.baseurl }}">via RSS</a></small></h1>
-    <ul class="post-list">
-      {% for post in site.posts %}
-      <li>
-      <h4>
-        <a href="{{ post.url | prepend: site.baseurl }}">{{ post.title }}</a> <small>{{ post.date | date: "%b %-d, %Y" }}</small>
-      </h4>
-      </li>
-      {% endfor %}
-    </ul>
+  	<h2>More resources</h2>
+    <p>
+      <a href="https://discourse.ros.org/">ROS Discourse</a>
+    </p>
+    <p>
+      <a href="https://answers.ros.org/questions/">ROS Answers</a>
+    </p>
+    <p>
+      <a href="https://www.ros.org/">ros.org</a>
+    </p>
   </div>
 </div>