Update Sim game page

Add unique ID to Sim game and update link and QR code.

src/App.tsx

@@ -95,8 +95,8 @@ const App = () => (
           <Route path="/balanced-ternary-game" element={<BalancedTernaryGamePage />} />
           <Route path="/binary-search-trick" element={<BinarySearchTrickPage />} />
           <Route path="/binary-search-trick/:mode" element={<BinarySearchTrickGreenScreen />} />
-          <Route path="/game-of-sim" element={<GameOfSimPage />} />
-          <Route path="/game-of-sim/:mode" element={<GameOfSimGreenScreen />} />
+          <Route path="/sim" element={<GameOfSimPage />} />
+          <Route path="/sim/:mode" element={<GameOfSimGreenScreen />} />
           <Route path="/ternary-search-trick" element={<TernarySearchTrickPage />} />
           <Route path="/ternary-search-trick/:mode" element={<TernarySearchTrickGreenScreen />} />
           <Route path="/northcotts-game" element={<NorthcottsGamePage />} />

src/components/GamesGallery.tsx

@@ -49,7 +49,7 @@ const games: Game[] = [
     component: NimGame
   },
   {
-    id: 'game-of-sim',
+    id: 'sim',
     title: 'Game of Sim',
     description: 'A strategic two-player game where you take turns coloring edges between vertices, trying to avoid creating a triangle of your own color.',
     tags: ['strategy', 'graph-theory', 'two-player', 'logic', 'game-theory'],