fixed license in package.json

Author: massimocandela

package.json

@@ -19,7 +19,7 @@
     "generate-prefixes": "babel-node index.js generate"
   },
   "author": "Massimo Candela",
-  "license": "ISC",
+  "license": "BSD-3-Clause",
   "devDependencies": {
     "@babel/cli": "^7.8.4",
     "@babel/core": "^7.9.6",