add sponsor

Author: kurod1492

_config.yml

@@ -24,6 +24,10 @@ authors:
     email: [email protected]
   - name: Akihiro Kurotani
     email: [email protected]
+sponsor:
+  name: My Redmine
+  url: "https://www.redminecloud.net/"
+  logo: "/images/myredmine-logo-hz.png"
 description: >- # this means to ignore newlines until "baseurl:"
   「5 分鐘快速上手 Redmine」系列文章，旨在用簡單易懂的方式介紹開放原始碼的議題管理系統 Redmine。
   每篇文章的長度大約只需 5 分鐘閱讀時間，讓您輕鬆掌握 Redmine 的基礎與實用功能。

_includes/footer.html

@@ -33,8 +33,25 @@
         </p>
       </div>
       {% endif %}
+
+      {% if site.sponsor %}
+      <div class="sponsor-info">
+        {% if site.sponsor.logo %}
+          <p>
+            Sponsored by
+            <a href="{{ site.sponsor.url }}">
+              <img src="{{ site.sponsor.logo }}" alt="{{ site.sponsor.name }} logo" />
+            </a>
+          </p>
+        {% else %}
+          <p>
+            Sponsored by <a href="{{ site.sponsor.url }}">{{ site.sponsor.name }}</a>
+          </p>
+        {% endif %}
       </div>
+      {% endif %}
 
+      </div>
   </div>
 
 </footer>