add normalized-options.js to files entry (#13)

in package.json

resolves #12

thanks to @zfoltin (Zeno Foltin) for pointing it out

Co-authored-by: Christopher J. Brody <chris@brody.consulting>
Co-authored-by: Zeno Foltin <zfoltin@users.noreply.github.com>

Author: Chris Brody

package.json

@@ -31,6 +31,7 @@
     "cli.js",
     "command.js",
     "lib.js",
+    "normalized-options.js",
     "README.md"
   ],
   "author": "Christopher J. Brody <chris@brody.consulting>",