Merge branch 'v2' of https://github.com/jdf2e/nutui into v2

types/nutui.d.ts

@@ -33,7 +33,7 @@ export declare class GridRow extends UIComponent {}
 export declare class Icon extends UIComponent {}
 export declare class ImagePicker extends UIComponent {}
 export declare class Menu extends UIComponent {}
-export declare class Navbar extends UIComponent {}
+export declare class NavBar extends UIComponent {}
 export declare class NoticeBar extends UIComponent {}
 export declare class Picker extends UIComponent {}
 export declare class Price extends UIComponent {}