Rename.

package.json

@@ -3,7 +3,7 @@
   "version": "0.2.0-pre",
   "description": "Deferred pattern on top of Promise",
   "type": "module",
-  "main": "src/node.js",
+  "main": "src/deferred.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"
   },