feat: Links to pages

books/core/245.html

@@ -30,11 +30,12 @@
       <strong>Think about threats and Villains.</strong> As your group defines
       the history of your world and the initial situation of the prologue, start
       thinking about the first antagonists they will meet. You can find further
-      advice on Villains starting on page 254. <br />It is often a good idea to
-      showcase an early Villain during the prologue itself or shortly afterward
-      — if possible, pick someone the heroes have already recognized as a threat
-      and use this antagonist to get the action moving; save the subtler
-      Villains for later!
+      advice on Villains starting on
+      <a href="/books/core/#page-254">page 254</a>. <br />It is often a good
+      idea to showcase an early Villain during the prologue itself or shortly
+      afterward — if possible, pick someone the heroes have already recognized
+      as a threat and use this antagonist to get the action moving; save the
+      subtler Villains for later!
     </li>
     <li>
       <strong>Keep track of changes.</strong> While building the premises of the