* chore: window instead of globalThis to support more browser versions

* fix: chart toolbox icons gap chaos

* style: remove unused title in svgs

* fix: index loading not centered

* fix: get missing echarts loading back

* fix: date & time cannot be formatted to correct locale string (#813)

* chore: drop support of nodejs 12

* docs: update documentation

* feat: restore selected model when navigating back to graph page

* build: setup github actions

* build: create lint status check