Ergänzt Prozentregler für die responsive Bildbreite

package.json

@@ -10,7 +10,8 @@
     "test:links": "node scripts/link-check.mjs",
     "audit": "node scripts/audit.mjs",
     "test:admin": "node scripts/admin-quality-check.mjs",
-    "test:search": "node scripts/live-search-check.mjs"
+    "test:search": "node scripts/live-search-check.mjs",
+    "test:image-size": "node scripts/image-size-check.mjs"
   },
   "devDependencies": {
     "@axe-core/playwright": "^4.10.0",