Improve UI build by using DLLs

**Is your feature request related to a problem? Please describe.**
Building the UI can be improved by using [DLL Plugin](https://webpack.js.org/plugins/dll-plugin/). `DllPlugin` and `DllReferencePlugin` splits bundles in such a way that drastically improve build time.

**Describe the solution you'd like**
Find a way to use this plugin and improve the build UI time.

**Describe alternatives you've considered**
Some of the alternatives are using: [`parallel-webpack`](https://www.npmjs.com/package/parallel-webpack)