build: Fix some build issues. Still need a index.min.js.

Author: treshugart

dist/index-with-deps.js

@@ -1,5 +1,5 @@
 import diffMain from './diff-main';
-import DiffWorker from 'worker-loader!./diff-worker';
+import DiffWorker from 'worker-loader?name=./dist/[hash].[ext]!./diff-worker';
 
 const { Node } = window;