Update GitHub link URL

Fix #149
Close #150

Author: jacobrossi

src/hexo/themes/documentation/layout/partials/footer.hbs

@@ -14,7 +14,7 @@
         {{/each}}
         <ul class="footer-nav__item social-list">
             <li class="github-icon">
-                <a href="https://github.com/sonarwhali" aria-label="Follow Sonar on GitHub">
+                <a href="https://github.com/sonarwhal" aria-label="Follow Sonar on GitHub">
                     <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 25 25"><path class="github-icon-svg" d="M12.5.4C5.7.4.2 5.9.2 12.7c0 5.4 3.5 10 8.4 11.7.6.1.8-.3.8-.6v-2.1C6 22.4 5.3 20 5.3 20c-.6-1.4-1.4-1.8-1.4-1.8-1.1-.7.1-.7.1-.7 1.2.1 1.9 1.3 1.9 1.3 1.1 1.9 2.9 1.3 3.6 1 .1-.8.4-1.3.8-1.6-2.7-.3-5.6-1.4-5.6-6.1 0-1.3.5-2.4 1.3-3.3-.2-.4-.6-1.6 0-3.3 0 0 1-.3 3.4 1.3 1-.3 2-.4 3.1-.4 1 0 2.1.1 3.1.4C17.9 5.2 19 5.5 19 5.5c.7 1.7.2 2.9.1 3.3.8.9 1.3 2 1.3 3.3 0 4.7-2.9 5.8-5.6 6.1.4.4.8 1.1.8 2.3v3.4c0 .3.2.7.8.6 4.9-1.6 8.4-6.2 8.4-11.7C24.8 5.9 19.3.4 12.5.4"/></svg>
                 </a>
             </li>