Add example introduction

Author: jakezatecky

examples/dist/index.html

@@ -21,6 +21,12 @@ <h2 class="project-tagline">A simple and elegant checkbox tree for React</h2>
     </section>
 
     <section class="main-content">
+      <p>
+        <strong>React Checkbox Tree</strong> is a feature-rich React component for a checkbox treeview.
+        Checkout the examples below and then view <a href="https://github.com/jakezatecky/react-checkbox-tree/tree/master/examples/src/js">source code</a>
+        or main <a href="https://github.com/jakezatecky/react-checkbox-tree">documentation page</a> when you are ready to try it out.
+      </p>
+
       <h1>Examples</h1>
       <h2>Basic Example</h2>
       <div id="basic-example"></div>

examples/src/index.html

@@ -21,6 +21,12 @@ <h2 class="project-tagline">A simple and elegant checkbox tree for React</h2>
     </section>
 
     <section class="main-content">
+      <p>
+        <strong>React Checkbox Tree</strong> is a feature-rich React component for a checkbox treeview.
+        Checkout the examples below and then view <a href="https://github.com/jakezatecky/react-checkbox-tree/tree/master/examples/src/js">source code</a>
+        or main <a href="https://github.com/jakezatecky/react-checkbox-tree">documentation page</a> when you are ready to try it out.
+      </p>
+
       <h1>Examples</h1>
       <h2>Basic Example</h2>
       <div id="basic-example"></div>