Added a bunch of mini features

Sorted worlds, add preview and add cards, added timestamps...

package.json

@@ -24,6 +24,7 @@
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "lucide-vue-next": "^0.475.0",
+    "luxon": "^3.5.0",
     "nuxt": "^3.15.4",
     "pinia": "^3.0.1",
     "radix-vue": "^1.9.16",
@@ -40,6 +41,7 @@
     "@nuxtjs/supabase": "^1.4.6",
     "@nuxtjs/tailwindcss": "^6.13.1",
     "@stylistic/eslint-plugin-js": "^3.1.0",
+    "@types/luxon": "^3.4.2",
     "@typescript-eslint/eslint-plugin": "^8.25.0",
     "@typescript-eslint/parser": "^8.25.0",
     "eslint": "^9.21.0",