Add Dogs and Bunny puzzle

Recreate the Dogs and Bunny puzzle with functionality for random puzzle generation at varying difficulty levels (easy, medium, hard). Allow users to screenshot puzzles or solutions. Implement puzzle sharing via URL parameters.

src/pages/theme-pages/Puzzles.tsx

@@ -55,6 +55,16 @@ const Puzzles = () => {
       difficulty: "Intermediate" as const,
       duration: "5-15 min",
       participants: "1 player"
+    },
+    {
+      id: "dogs-bunny",
+      title: "Dogs & Bunny Puzzle",
+      description: "Move the dog to a bone by navigating edges whose conditions depend on where animals are.",
+      path: "/puzzles/dogs-bunny",
+      tags: ["Logic", "Graph", "Dependencies"],
+      difficulty: "Intermediate" as const,
+      duration: "5-20 min",
+      participants: "1 player"
     }
   ];