Remove ruby dependency from website build

docs/templates/index.html.j2

@@ -0,0 +1,73 @@
+<!DOCTYPE html>
+<html lang="en">
+{% include "shared/_head.html.j2" %}
+
+  <body id="{{ slug }}">
+{% include "shared/_navbar.html.j2" %}
+
+    <div class="container">
+      <div class="row">
+        <div class="jumbotron">
+          <div class="row">
+            <div class="col-sm-6">
+              <img src="{{root}}/jq.png" class="img-responsive" alt="jq logo"
+                  width="400" height="220">
+            </div>
+            <div class="col-sm-6">
+              <div id="blurb">
+                {{blurb | markdownify}}
+
+                <div class="btn-toolbar" role="toolbar">
+                  <div class="btn-group" role="group">
+                    <a class="btn btn-primary dropdown-toggle" data-toggle="dropdown" href="#">
+                      Download jq 1.6
+                      <span class="caret"></span>
+                    </a>
+                    <ul class="dropdown-menu">
+                      <li><a href="https://github.com/stedolan/jq/releases/download/jq-1.6/jq-linux64">Linux (64-bit)</a></li>
+                      <li><a href="https://github.com/stedolan/jq/releases/download/jq-1.6/jq-osx-amd64">OS X (64-bit)</a></li>
+                      <li><a href="https://github.com/stedolan/jq/releases/download/jq-1.6/jq-win64.exe">Windows (64-bit)</a></li>
+                      <li><a href="{{root}}/download/">Other platforms, older versions, and source</a></li>
+                    </ul>
+                  </div>
+
+                  <div class="btn-group">
+                    <a class="btn btn-primary" href="https://jqplay.org">
+                      Try online at jqplay.org!
+                    </a>
+                  </div>
+                </div>
+              </div>
+            </div>
+          </div>
+        </div>
+      </div>
+
+      <div class="row" id="multiblurb">
+        <div class="col-sm-4">{{body1 | markdownify}}</div>
+        <div class="col-sm-4">{{body2 | markdownify}}</div>
+        <div class="col-sm-4">{{body3 | markdownify}}</div>
+      </div>
+
+      <div class="row" style="text-align:center; margin-top: 30px">
+        {{tail | markdownify}}
+      </div>
+
+      <div class="row">
+        <h2>News</h2>
+        <div id="news">
+          <ul>
+            {% for item in news %}
+              <li>
+                <span class="date">{{item.date}}</span>
+                {{item.body | markdownify}}
+              </li>
+            {% endfor %}
+          </ul>
+        </div>
+      </div>
+    </div>
+
+{% include "shared/_footer.html.j2" %}
+  </body>
+</html>