chore: add keywords to package.json

Author: sadjow

package.json

@@ -2,6 +2,20 @@
   "name": "nuxt-utm",
   "version": "0.1.7",
   "description": "A Nuxt 3 module for tracking UTM parameters.",
+  "keywords": [
+    "nuxt",
+    "nuxt3",
+    "utm",
+    "utm tracking",
+    "utm parameters",
+    "analytics",
+    "marketing",
+    "ad tracking",
+    "campaign tracking",
+    "traffic analysis",
+    "nuxt module",
+    "nuxt utm"
+  ],
   "repository": "stackbuilders/nuxt-utm",
   "license": "MIT",
   "type": "module",
@@ -43,4 +57,4 @@
     "playwright-core": "^1.39.0",
     "vitest": "^0.33.0"
   }
-}
+}