Update package.json

Author: fritz-c

package.json

@@ -19,7 +19,7 @@
   ],
   "repository": {
     "type": "git",
-    "url": "https://github.com/fritz-c/react-sortable-tree"
+    "url": "https://github.com/fritz-c/react-sortable-tree-theme-file-explorer"
   },
   "homepage": "https://github.com/fritz-c/react-sortable-tree-theme-file-explorer",
   "bugs": "https://github.com/fritz-c/react-sortable-tree-theme-file-explorer/issues",