Added link to the logo icon

Author: Brunochris13

_layouts/default.html

@@ -24,10 +24,13 @@
             {% endif %}
 
             <div>
-                <p style="float: right;"><img id="nag_logo" src="/NAGJavaExamples/assets/img/logo-white.png"
-                    alt="NAG Logo"></p>
+                <p style="float: right;">
+                    <a href="https://www.nag.com/">
+                        <img id="nag_logo" src="/NAGJavaExamples/assets/img/logo-white.png" alt="NAG Logo">
+                    </a>
+                </p>
                 <h1 id="project_title">{{ site.title | default: site.github.repository_name }}</h1>
-                <h2 id="project_tagline">{{ site.description | default: site.github.project_tagline }}</h2>         
+                <h2 id="project_tagline">{{ site.description | default: site.github.project_tagline }}</h2>
             </div>
             <div style="clear: right;"></div>