fix extrema cannot display correctly when there are multiple values with same step in scalar page (#981)

* chore: update dependencies

* fix(scalar): cannot display minmax values when more then 1 point in same step

* chore: update snowpack to 3.0

* chore: update snowpack to 3.0

* docs: update demo

* publish fe@2.1.2

* chore: remove deprecated constants

* publish fe@2.1.3

* fix: fix web worker cross origin

* publish fe@2.1.4

* style: lint shell scripts

* chore: complete license

* chore: fix typo

* feat: dark mode support

* chore: use redux to manage global state

* chore: update dependencies

* build: increase yarn network timeout to avoid build error in github action

* feat: dark mode support

* chore: add module preload

* build: increase yarn network timeout to avoid build error in github action

* chore: fix docker build

* test: ignore no test error

* bump fe to 2.0.1

* feat: dynamic envs in vdl server

* bump fe to 2.0.2

* chore: fix docker build

* bump fe to 2.0.3

* fix: demo build error

* bump fe to 2.0.4

* chore: commit demo logs

* bump fe to 2.0.5

* fix: docker build error

* docs: update demo dat

* bump fe to 2.0.6

* feat: support cdn deployment

* bump fe to 2.0.7

* feat: support cdn deployment

* bump fe to 2.0.8

* chore: remove default demo path

* fix: graph iframe target origin

* bump fe to 2.0.9

* 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