add disclaimer, some template updates

site/default.html

@@ -38,7 +38,8 @@
                 Notice a mistake? Contact me at <a href="mailto:plupy44@gmail.com">plupy44@gmail.com</a><br>
                 Got an article you want to publish here? Shoot me an email to the above address.<br>
                 Rendered with <a href="https://swaous.asuscomm.com/sitix">Sitix</a><br>
-                Mathematical formulas generated via <a href="https://www.mathjax.org/">MathJax</a>.
+                Mathematical formulas generated via <a href="https://www.mathjax.org/">MathJax</a>.<br>
+		<a href="[^baseurl]/disclaimer.html">Disclaimer <b>(important!)</b></a>
             </p>
         </div>
         <div id="contpanel">
@@ -48,4 +49,4 @@
         </div>
         <script src="https://cdn.jsdelivr.net/npm/mathjax@2/MathJax.js?config=TeX-MML-AM_CHTML-full"></script>
     </body>
-</html>
+</html>