Add "Go back to Puzzles" option

Add a "Go back to Puzzles" option to the Knights Puzzle interactive when accessed from the puzzles page.

src/pages/theme-pages/Puzzles.tsx

@@ -39,7 +39,7 @@ const Puzzles = () => {
                 difficulty={puzzle.difficulty}
                 duration={puzzle.duration}
                 participants={puzzle.participants}
-                onClick={() => navigate(puzzle.path)}
+                onClick={() => navigate(`${puzzle.path}?from=puzzles`)}
               />
             ))}
           </div>