fix: set public access to enable npm public release (#10)

Author: robinmetral

package.json

@@ -30,5 +30,8 @@
   "dependencies": {
     "aws-sdk": "^2.600.0",
     "gatsby-source-filesystem": "^2.1.46"
+  },
+  "publishConfig": {
+    "access": "public"
   }
 }