Feat/add dropdown list via js (#1)

* [feat/add-dropdown-list] Refactoring dropdown list.

* Refactoring class Dropdown

* [feat/add-dropdown-list] Added bandler(parcler)

* Added mouseenter event handling

* Fix bug open dropdown and added main.scss

* Added private fild and changed methods

* Refactoring DropDown

* Added placeholder

* Added customStyle

* Fixed initSelected

* Refactored initSelected

* Added feature in customize select

* featch customStyle complited!

* Delited file customStyle.scss

Co-authored-by: MaxOvs <rock_maksimus@mail.ru>

.gitignore

@@ -0,0 +1,3 @@
+node_modules
+dist
+.parcel-cache