5.3.1
fix: other rename of data storage -> data store
Merge branch 'next' into optimize-progressive
refact: put all core modules in the core dir. only do export in lib/echarts
refact: fix bugs caused by the refactor. export types
refact: make components installable
fix(dataZoom): fix shadow may not update when size changed
chore(prepublish): transform __DEV__ to node env expr.
ts: let to const. And add eslint rule "prefer-const".
fix: not install directly to avoid installed twice.
fix(throttle): clear throttle