* docs(components): [transfer] use new display tag
* docs(components): [transfer] update TransferKey to Array<string|number>
* docs(components): [transfer] directly specify type for TransferDataItem
1. docs(components): [cascader] add version tag for togglePopperVisible expose
2. docs(components): [color-picker] add version tag for show & hide expose
3. docs(components): [date-picker] add version tag for handleOpen & handleClose method
4. docs(components): [dialog] add version tag for align-center atrr
5. docs(components): [dropdown] add version tag for teleported attr
6. docs(components): [form] add version tag for scroll-into-view-options attr
7. docs(components): [image] add version tag for zoom-rate attr
8. docs(components): [input-number] add version tag for readonly attr
9. docs(components): [menu] add version tag for popper-effect attr
10. docs(components): [message-box] add version tag for append-to attr & message function
11. docs(components): [rate] add version tag for clearable attr
12. docs(components): [select-v2] add max-collapse-tags attr
13. docs(components): [select] add version tag for collapse-tags-tooltip & placement
14. docs(components): [table] fix show-overflow-toolip attr version tag
15. docs(components): [time-picker] add version tag for handleOption & handleClose expose
16. docs(components): [tree-v2] add version tag for item-size attr
17. docs(components): [tree] add version tag for empty slot
* chore(docs): updating the implementation of the theme switch button
* chore(docs): updating the implementation of the theme switch button
* chore(docs): updating the implementation of the theme switch button
* docs(components): [select] use new display tag
* docs(components): [select] description and comment begins in lower case
* docs(components): [select] update type of prop and event
* fix(components): [form] improve types
* fix(components): [form] improve FormRules type, support object and array
* fix(components): [form] improve FormRules type with comment
* fix(components): [form] allow number as key in FormRules type
* chore(components): [form] fix FormRules type example
* chore: remove extra import
* chore: update form/custom-validation and form/validation examples
* chore(components): [form] update example
* feat(theme-chalk): [form] add default width to Input in inline form
* docs: add clearable attributes to Input
* docs: add a description of the Input width
* docs(components): [switch] use new display tag
* style(components): [switch] update the batch deprecate
* docs(components): [switch] delete deprecated attributes
* docs(components): [image and image viewer] use new display tag
* refactor(components): [image | image-viewer] set class by computed
* docs(components): [image] update head of image viewer exposes