add Mastodon info to main index page

In addition to mentioning that IOCCC uses Mastodon
we added a required HTML line that Mastodon
needs to verify our web site.

index.html

@@ -463,6 +463,14 @@ FAQ on “<a href="faq.html#menus">website menus</a>”.</p>
 <p>See the
 FAQ on “<a href="faq.html#enter">how to enter the IOCCC</a>”
 for more information.</p>
+<h1 id="follow-ioccc-on-mastodon">Follow IOCCC on Mastodon</h1>
+<p>The <a href="https://fosstodon.org/@ioccc">IOCCC uses Mastodon</a> for news updates,
+announcements, and for various other social media purposes.</p>
+<p><strong>Please follow the <a href="https://fosstodon.org/@ioccc">IOCCC on Mastodon</a></strong>.</p>
+<p>For more information on
+<a rel="me" href="https://fosstodon.org/@ioccc">Mastodon</a>
+please see the
+FAQ on “<a href="faq.html#try_mastodon">What is Mastodon and why does IOCCC use it?</a>”.</p>
 <h1 id="important-disclaimer">Important Disclaimer</h1>
 <p>IOCCC code is for <strong>educational and entertainment purposes only</strong>. We do <strong>NOT</strong> recommend installing any winning IOCCC entry code. Use code found the IOCCC repo and in the IOCCC web site <strong>at your own risk!</strong></p>
 <p>The <a href="index.html">IOCCC</a> and the <a href="judges.html">IOCCC judges</a> DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THEY BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</p>

index.md

@@ -51,6 +51,19 @@ FAQ on "[how to enter the IOCCC](faq.html#enter)"
 for more information.
 
 
+# Follow IOCCC on Mastodon
+
+The [IOCCC uses Mastodon](https://fosstodon.org/@ioccc) for news updates,
+announcements, and for various other social media purposes.
+
+**Please follow the [IOCCC on Mastodon](https://fosstodon.org/@ioccc)**.
+
+For more information on
+<a rel="me" href="https://fosstodon.org/@ioccc">Mastodon</a>
+please see the
+FAQ on "[What is Mastodon and why does IOCCC use it?](faq.html#try_mastodon)".
+
+
 # Important Disclaimer
 
 IOCCC code is for **educational and entertainment purposes only**. We do **NOT** recommend installing any winning IOCCC entry code. Use code found the IOCCC repo and in the IOCCC web site **at your own risk!**

sitemap.xml

@@ -19686,11 +19686,11 @@
 </url>
 <url>
     <loc>https://www.ioccc.org/index.html</loc>
-    <lastmod>2024-12-29T09:57:30+00:00</lastmod>
+    <lastmod>2024-12-29T11:30:32+00:00</lastmod>
 </url>
 <url>
     <loc>https://www.ioccc.org/index.md</loc>
-    <lastmod>2024-12-29T09:57:30+00:00</lastmod>
+    <lastmod>2024-12-29T11:30:11+00:00</lastmod>
 </url>
 <url>
     <loc>https://www.ioccc.org/ioccc.css</loc>