* add ENV for navigation layout type

* add network menu to top bar

* renaming and main component placeholder

* add logo, testnet badge, login and connect wallet buttons to the nav bar

* refactor once more

* styles for nav link group

* style nav link

* style groupped nav links

* update values for L2 review

* update demo values

* fix deployment values for L2 review

* tests

* fix prop collision

* shorten filter input on marketplace page and update MainArea height

* change margin between text and lightning label

* add active state to "Other" nav menu

* popover fixes

* fix link width

* [skip ci] update demo values