build: include rcedit.js in published files

Author: erickzhao

package.json

@@ -7,7 +7,8 @@
   "types": "lib/index.d.ts",
   "files": [
     "bin",
-    "lib/index.d.ts"
+    "lib/index.d.ts",
+    "lib/rcedit.js"
   ],
   "scripts": {
     "docs:build": "node script/build-docs.js",