* fix: import default from json

* fix: fallback to path-browserify

* build: upgrade to webpack5

* test: update size-tests to reflect single entry

* test: increase service-worker timeout

* docs: improve comments

* build: rm MiniCssExtract workaround

* docs: even better comments

* test: back out longer test

* build: vendor chunk

* test: increase sw timeout

* fix: justified splitChunks config

* better explanation

* fix: longer timeout

* fix: caching

* merge and rm duplication

* build