* docs: add api first appearance
* docs: fix auto-complete doc
* docs: replace Version Added with Version
* docs: date picker common method
* docs: date picker common method
* docs: tree
* docs: remove meaningless 3.0.0
* Unify name of ReactNode type in document
* Lowser all string type name
* Lowercase all number type name
* Lowercase all boolean type name
* Unify array type
* Lowercase all object type name
* Unify mutilple types
* deps: upgrade TimePicker
* deps: upgrade DatePicker
* deps: upgrade Calendar
* fix: moment should work with LocaleProvider
* feat: update API of TimePicker
* feat: update Calendar's APIs
* feat: update DatePicker's APIs
* doc: update demo
* revert: add dateString and timeString and so on
* feat: add Calendar[defaultValue]
* feat: add defaultPickerValue
* docs: update docs about date picker
* feat: set moment locale to zh-cn automatically