+ implement messageBox.close()
+ fix require() with root urls in /dir/page.html
+ limit messageBox focus shift to config-dialog
+ flatten vendor dirs and simplify build-vendor:
+ replace the unicode symbol with ASCII `->`
+ flatten dirs by default to simplify writing the rules and improve their readability
+ rename and sort functions in the order they run
+ use `node-fetch` instead of the gargantuan `make-fetch-happen`
+ use `glob` which is already installed by other deps
Co-authored-by: tophf <tophf@gmx.com>
