* site: tree-select route
* refactor(internal-selection): remove useless remote prop & on-delete-last-option
* refactor(dropdown, popselect): set slots stable mark from true to 1
* fix(scrollbar): attributes applied multiple times
* wip(tree-select): add exports
* fix(tree): misses `on-update-expanded-keys`, `on-update-selected-keys`, `on-update-checked-keys` prop
* feat(tree): support keyboard operations
* feat(tree): scroll with keyboard target node
* fix(tree): `selected-keys` prop influences original array
* feat(tree): pending on selected node at first
* feat(tree): follow tree-select's pending status
* feat(tree): `internalCheckboxFocusable` prop
* refactor(tree): split treeMate to displayTreeMate & dataTreeMate to work with tree-select
* fix(tree): scrollbar won't sync in virtual scroll mode
* feat(tree-select)
* docs: changelog
* docs(tree-select)
* feat(tree-select): stricter type
* fix: typo
* fix(select): input blinks in filterable mode when click at menu and input has value
* fix(tree): multiple line style
* docs(tree-select)
* refactor(tree-select): disable tree expand animation on tree select
* feat(tree-select): change expanded keys on filter
* chore(tree): add comment about animation
* chore
* feat(tree-select): close on single select
* fix(base-selection): input has useless empty row in multiple filterable mode
* docs(tree-select): add clearable in filterable demo
* feat(vite-doc): add vite md plugin
* fixed(site-vite): merge conflicts
* fix(vite-doc): some bug in vue rerender,use key to advoid
* feat(vite-doc): finished doc
* fix(vite-doc): import path should be same as normal
* chore(vite-doc): remove useless code
Co-authored-by: Lecong Zhang <50313260+tskirby@users.noreply.github.com>