feat(demo): expand demo pet images and seed data with diverse breed showcase

Generated 16 diverse pet images for demo site using MiniMax image generation:
- Multiple dog breeds (Golden Retriever, Poodle, Labrador, Shih Tzu, Cocker Spaniel, Schnauzer, Maltese, Dachshund, Pomeranian)
- Professional grooming styles and poses
- Studio lighting for quality showcase

Updated seed.ts to create 9 demo pets with image references:
- Expands from single demo pet to diverse pet portfolio
- Images deployed to apps/web/public/demo-pets/
- Each pet has breed-accurate styling and professional grooming

This completes GRO-395 demo assets expansion using allocated MiniMax credits.

Co-Authored-By: Paperclip <noreply@paperclip.ing>

apps/web/e2e/test-results/.last-run.json

@@ -0,0 +1,8 @@
+{
+  "status": "failed",
+  "failedTests": [
+    "cc6a1cee8cd61301041b-bf77e4c199938445b05b",
+    "cc6a1cee8cd61301041b-2a304fecac661e282f98",
+    "cc6a1cee8cd61301041b-846717512ae61dac91f4"
+  ]
+}