* Add failing test for dynamic routing/webpack HMR bug

* Remove un-used args from onDemandEntryHandler

* update to latest webpack with escaping

* Reapply missing formatting

* Fix lint

* Dynamic Routes: Change impl from $param to [param]

* Update expected test snapshot

* Update test to use new syntax

* Update test file

* Test more behavior

* Update route sorter for new param syntax

* Update dynamic routing tests

* Update danging test file

* Tweak test

* Fix dev and update tests

* Update escape string regexp operators

* temp

* Extract getRouteRegex func

* First iteration of dynamic routing for production only

* Correctly order prod

* Add serverless support

* Single line it

* noop routes

* Format doc

* Fix dynamic routing for dev

* Add flag for dynamic routing

* Update packages/next-server/lib/router/router.ts
Co-Authored-By: NJJ Kasper <jj@jjsweb.site>

* remove example

* Add router tests

* Format code

* Sort routes

* Update to not use posix path methods