Added gallery section

- added gallery section
- removed hero_area_small.html

_includes/gallery.html

@@ -0,0 +1,33 @@
+<!-- Contribute Section -->
+<section id="{{ page.section-type }}">
+  <div class="container">
+    <div class="row">
+      <h1 class="title">{{ page.title }}</h1>
+      <div class="gallery autoplay items-3 img-responsive">
+        <div id="item-1" class="control-operator"></div>
+        <div id="item-2" class="control-operator"></div>
+        <div id="item-3" class="control-operator"></div>
+
+        <figure class="item col-lg-12">
+          <img src="{{site.baseurl}}/img/posts/release-02.png" class="img-responsive" />
+        </figure>
+
+        <figure class="item col-lg-12">
+          <img src="{{site.baseurl}}/img/posts/release-01.png" class="img-responsive" />
+        </figure>
+
+        <figure class="item col-lg-12">
+          <img src="{{site.baseurl}}/img/posts/release-02.png" class="img-responsive" />
+        </figure>
+
+        <div class="controls">
+          <a href="#item-1" class="control-button">•</a>
+          <a href="#item-2" class="control-button">•</a>
+          <a href="#item-3" class="control-button">•</a>
+        </div>
+      </div>
+    </div>
+  </div>
+
+</section>
+<!-- Contribute Section End -->