Change license from ISC to Apache-2.0

package.json

@@ -22,7 +22,7 @@
     "dragndrop"
   ],
   "author": "Julian Leucker <leuckeju@commu.teckids.org>",
-  "license": "ISC",
+  "license": "Apache-2.0",
   "description": "VueJS Components to move data inside a grid via drag&drop.",
   "main": "src/index.js",
   "files": [