Add try.sh/try.alt.sh template scripts

The scripts can be found under template/entry. A new FAQ entry has been
added and the guidelines have been updated.

The rules have a new div id ("version") to match what was added to
guidelines yesterday (since it's obvious what kind of version it is.

Once this has been merged html files need to be checked to make sure
everything is okay.

next/rules.html

@@ -460,8 +460,10 @@ and remains unaltered. All other uses must receive prior permission in
 writing by <a href="../contact.html">contacting the judges</a>.</p>
 <p>Jump to: <a href="#">top</a></p>
 <div id="rules_version">
+<div id="version">
 <h2 id="ioccc-rules-version">IOCCC Rules version</h2>
 </div>
+</div>
 <p>Jump to: <a href="#">top</a></p>
 <p class="leftbar">
 These <a href="rules.html">IOCCC rules</a> are version <strong>28.10 2024-10-25</strong>.