refactor: border methods (#151)
refactor: border methods (#151)

* refactor: border methods

* add: snapshot test and wolmo core demo test scheme

* add: nibView

* add: view with example of borders and gradient

* change: one example of border

* refactor: border methods

* refactor: change name to serBorderFrame to createBorderView
Wolox/wolmo-core-ios,Wolox/wolmo-core-ios,Wolox/wolmo-core-ios