* add duplicate code detection check for general purpose use
* webpack alias for lodash
* redux and react-redux dependency bump that removes lodash dependencies
* lodash version match with swagger-client and recent security update
* additional webpack config to help reduce build sizes
* restore max bundle size back to 1024000

Co-authored-by: AdrieanKhisbe <adriean.khisbe@live.fr>

As resolving applies to everything and not just specific builds
the resolve.aliases have been moved to one common place.

As versions of libraries that are both used by swagger-js and swagger-ui
may diverge in time, we must use webpack resolve aliases to make sure
that only one version of these libraries gets bundled.

* `@kyleshockey/js-yaml` -> `js-yaml`

* externalize `esprima`

* build new core webpack config

* fix exports in Webpack; use ESM syntax throughout

* add bundle config

* add standalone config

* add style config

* prettier...

* add dev config

* delete legacy webpack scripts

* rewire npm scripts to use new webpack configs

* cache babel-loader results

* fix e2e dev servers

* update core Webpack modules

* update loaders to latest

* remove unused loaders

* update Webpack plugins

* add mode flags to Webpack configs

* remove plugin invocations that are now production-standard in v4

* update webpack-cli

* add webpack perf size limit flags

* replace ExtractText with MiniCssExtract + IgnoreAssets

* UglifyJsPlugin -> TerserPlugin

* fix PostCSS processing

* enable Terser sourcemaps

* webpack/style -> webpack/stylesheets