Fix typo in 2024/ferguson1

'an successful' -> 'a successful'.

There is possibly another typo but I have to verify what the judges
meant.

Rebuilt index.html. I hope to make some reductions in text in the coming
days. I also have another fun update planned so people can see just how
wild the gotos are. I hope to do that sometime soon too.

2024/ferguson1/index.html

@@ -486,7 +486,7 @@ Location: <a href="../../location.html#US">US</a> - <em>United States of America
 <h2 id="judges-remarks">Judges’ remarks:</h2>
 <p>You will have to go to “Fun-Damentals” to understand the logic flow of
 this game. While you jump as many as 134 times to travel from <code>main()</code>
-to an successful <code>exit(666)</code> you may have a devil of a time trying to
+to a successful <code>exit(666)</code> you may have a devil of a time trying to
 figure out how this program actually does what it does.</p>
 <p>Before you set off on your adventure to decode this program’s logic, make
 sure you have enough food, ammo, clothes, oxen, and programming supplies.