- Add support for command line arguments, this allows arguments to be
persistently set if needed (i.e workaround hardware bugs or enabling
certain flags).
- Document setting a custom package will nullify the `commandLineArgs`
option.
- Fix `mkRemovedOption` assertion from being apply even when the
`extensions` option is unused for google chrome modules.
We currently check `isPath` and `isString` on crxPath and version
respectively, which is
1. pointless because the module system already does such checks, and
2. wrong because isPath means path literal; a derivation therefore is
not a path.
Brave Browser is a chromium-based browser, too.
+ it use the same web store with Chromium and Google Chrome.
+ the machanism of installing extensions works, and it's verified on
my macOS box.
