* fix: incorrect locale redirect

* chore: use millisecond

* refactor: get rid of nextjs

* feat: add telemetry

* feat: add disable telemetry option

* fix #739

* fix: compatibility of nodejs 12

* mute webpack

* feat: show min & max value in scalar page

* fix: tooltip sorting chinese translation update

* style: fix lint

* rewrite logger

* feat: add demo

* bump frontend 2.0.0-beta.50

* fix: nodejs 12.x compatibility

* chore: update dependencies

* Fix warning for hdfs

* Update docs.

* Add --model to parameters.

* Add histogram, add hdfs.

* fix: public path cannot be set to root path if not in api mode

* fix: use position argument

* fix: support legacy call method

* doc: update document