사이트 저작권 연도 수정 + 외부 링크 추가

Author: rkttu

_includes/footer.html

@@ -1,6 +1,6 @@
 <footer class="site-footer">
   <div class="footer-content">
-    <p>&copy; 2023-{{ site.time | date: '%Y' }} 닷넷데브(dotnetdev.kr) - 모든 권리 보유</p>
+    <p>&copy; 2019-{{ site.time | date: '%Y' }} 닷넷데브(dotnetdev.kr) - 모든 권리 보유</p>
     <p>
       <a href="/privacy/">개인정보처리방침</a> |
       <a href="/disclosures/">정보공시</a>
@@ -12,7 +12,6 @@
 .site-footer {
   margin-top: 40px;
   padding: 20px 0;
-  border-top: 1px solid #ddd;
   text-align: center;
   font-size: 14px;
   color: #666;

_includes/header.html

@@ -7,6 +7,12 @@
       <a href="/finance/" class="nav-link">재무현황</a>
       <a href="/legal/" class="nav-link">법규</a>
       <a href="/coc/" class="nav-link">행동강령</a>
+      <div>&nbsp;|&nbsp;</div>
+      <a href="https://forum.dotnetdev.kr/" target="_blank" class="nav-link">닷넷데브 포럼</a>
+      <a href="https://dotnetuniverse.net/" target="_blank" class="nav-link">닷넷유니버스</a>
+      <a href="https://www.youtube.com/@dotnetdevkr" target="_blank" class="nav-link">닷넷데브 YouTube 채널</a>
+      <a href="https://www.github.com/dotnetdev-kr" target="_blank" class="nav-link">닷넷데브 GitHub</a>
+      <a href="https://www.linkedin.com/company/96143755" target="_blank" class="nav-link">닷넷데브 LinkedIn</a>
     </div>
   </nav>
 </div>