Add provenance to package.json

Author: nojaf

package.json

@@ -35,6 +35,10 @@
     "build:docs": "astro build"
   },
   "license": "MIT",
+  "publishConfig": {
+    "access": "public",
+    "provenance": true
+  },
   "peerDependencies": {
     "rescript": ">=12.0.0-rc.0 <13"
   },