Update footer menu link

Author: realanthonyc

index.html

@@ -155,7 +155,7 @@ <h2 id="success-filename">book.txt</h2>
                 <span class="footer-separator">|</span>
                 <a href="https://spacesoda.github.io/pdf2txt/" target="_blank" rel="noopener noreferrer">PDF to TXT</a>
                 <span class="footer-separator">|</span>
-                <a href="https://github.com/SPACESODA/youtube2txt" target="_blank" rel="noopener noreferrer">YouTube to TXT</a>
+                <a href="https://spacesoda.github.io/youtube2txt/" target="_blank" rel="noopener noreferrer">YouTube to TXT</a>
             </nav>
         </div>
     </footer>

ja/index.html

@@ -155,7 +155,7 @@ <h2 id="success-filename">book.txt</h2>
                 <span class="footer-separator">|</span>
                 <a href="https://spacesoda.github.io/pdf2txt/" target="_blank" rel="noopener noreferrer">PDF to TXT</a>
                 <span class="footer-separator">|</span>
-                <a href="https://github.com/SPACESODA/youtube2txt" target="_blank" rel="noopener noreferrer">YouTube to TXT</a>
+                <a href="https://spacesoda.github.io/youtube2txt/" target="_blank" rel="noopener noreferrer">YouTube to TXT</a>
             </nav>
         </div>
     </footer>

zh/index.html

@@ -155,7 +155,7 @@ <h2 id="success-filename">book.txt</h2>
                 <span class="footer-separator">|</span>
                 <a href="https://spacesoda.github.io/pdf2txt/" target="_blank" rel="noopener noreferrer">PDF to TXT</a>
                 <span class="footer-separator">|</span>
-                <a href="https://github.com/SPACESODA/youtube2txt" target="_blank" rel="noopener noreferrer">YouTube to TXT</a>
+                <a href="https://spacesoda.github.io/youtube2txt/" target="_blank" rel="noopener noreferrer">YouTube to TXT</a>
             </nav>
         </div>
     </footer>