fix: links open on new tab for F5 sites dropdown + added N1 footer (#79)

Author: lamATnginx

layouts/partials/footer.html

@@ -42,6 +42,7 @@
          <div class="col-md-3 d-none d-md-block">
            <span class="footer-head">Products</span>
              <ul class="footer-text">
+                 <li><a title="F5 NGINX One" aria-label="F5 NGINX One" href="https://www.f5.com/products/nginx/one">F5 NGINX One</a></li>
                  <li><a title="F5 NGINX Plus" aria-label="F5 NGINX Plus" href="https://www.f5.com/products/nginx/nginx-plus">F5 NGINX Plus</a></li>
                  <li><a title="F5 NGINX App Protect" aria-label="F5 NGINX App Protect" href="https://www.f5.com/products/nginx/nginx-app-protect">F5 NGINX App Protect</a></li>
                  <li><a title="F5 NGINX Instance Manager" aria-label="F5 NGINX Instance Manager" href="https://www.f5.com/products/nginx/instance-manager">F5 NGINX Instance Manager</a></li>