* V2 overlay skeleton (#2097)

* skeleton

* basic test

* remove useless files

* remove useles files

* semicolon

* refactoring

* rm useless files

* alert dialog more styles

* hot fix

* tests

* e2e with own alert

* fix test

* fix ios e2e

* custom dialog WIP

* WIP

* refactor custom dialog

* fix e2e

* gitignore

* fix js tests

* remove hardcode

* snackbar

* drop FAB for now

* fix test

* Renamed onStop/onStart to didAppear/DidDisappear

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