frontend 2.0.0-beta.24: more style lint rules, add server language detection, build process improvement (#604)

* chore: fit requirements of python 3

* feat: fix global frontend lint

* build: use cached frontend package

* feat: add browser language detection

* style: introduce sort imports, more style mixins

* 2.0.0-beta.24

* ignore .tools-versions

* fix: do not render null values of scalar list

* v2.0.0-beta.23

* fix: disable smooth by chart, hide step axis label, hide legend

* v2.0.0-beta.22

* update dependencies

* chore: use nextjs build-in html component

* feat: error page improvement

* v2.0.0-beta.20

* fix: scalar nil value protection

* feat: better image defer and cache control

* v2.0.0-beta.19

* remove unnecessary fields

* performance: add cache to images

* performance: add debounce to step slider

* v2.0.0-beta.16

* style: better type reference

* fix: better implementation of revalidation & minor bug fix

* v2.0.0-beta.17

* feat: chinese translation adaptive

* fix: select height limitation

* chore: better error handling on revalidation

* v2.0.0-beta.18

* v2.0.0-beta.12

* v2.0.0-beta.13

* fix: use new development server

* v2.0.0-beta.14

* build: build frontend from npm tarball

* fix: update python setup

* build: fix build on windows

* add loading & empty style

* v2.0.0-beta.12

* v2.0.0-beta.13

* fix: use new development server

* v2.0.0-beta.14

* build: build frontend from npm tarball

* build: optimize wasm files

* build: use bionic instead of trusty

* build: build wasm first

* build: fix path overwritten

* build: disable rustup changing path

* build: fix typo

* build: test path

* build: re-export path when build

* build: update build scripts

* build: frozen lock file when building

* build: fix syntax error

* v2.0.0-beta.9

* v2.0.0-beta.11

* build: publish npm package

* chore: use wasm to handle datasets

* style: ts ignore wasm

* build: fix travis-ci

* build: fix travis-ci

* build: disable prompt during rustup install

* build: add rustc to path after install

* build: cache cargo

* feat: high-dimensional features without zoom/refit

* fix: mute eslint

* refactor: initialize VisualDL 2.0

* refactor: fix dev server problem

* refactor: add i18n

* refactor: fix i18n

* infra i18n支持

* styled-components for debug

* infra. essential hack for styled comopnent

* use yaml for translation

* fix: navbar url problem

* feat: add nuxt module to build locales

* fix: index route redirect error

* feat: add page title

* refactor: move i18n to module

* feat: add html lang attribute

* R.I.P

* Hello React

* refactor: initialize VisualDL 2.0

* fix: layout rerender

* add favicon

* add page title

* add meta tags

* feat: finish tag filter

* refactor: hook tastes good

* add single select

* finish components

* add api server

* scalars segregate metrics

* json-server sucks

* echarts

* add eslint

* bug fix

* finish scalars page

* change layout, fix aside

* add commit hook

* use tag filter hook

* add chart loading

* encapsulate run select

* samples page under construction

* finish images

* feat: graph page, still need some polishment

* finish high-dimensional

* fix mock data problem

* update readme

* fix build

* fix: use Buffer.from instead of constractor

* update Readme

* add simplified chinese readme

* build: travis

* build: travis

* style: fix type errors

* build: travis-ci

* fix: remove unused page

* add docker build

* opt-in for SSG, remove server-side data fetching & server-side i18n
Co-authored-by: NNiandalu <Niandalu@users.noreply.github.com>

* feat: update graph page locale file & some code polishment

* feat: update graph page locale file & some code polishment

* fix: eslint violations

* fix: dedup

* refactor: initialize VisualDL 2.0

* refactor: fix dev server problem

* refactor: add i18n

* refactor: fix i18n

* infra i18n支持

* styled-components for debug

* infra. essential hack for styled comopnent

* use yaml for translation

* fix: navbar url problem

* feat: add nuxt module to build locales

* fix: index route redirect error

* feat: add page title

* refactor: move i18n to module

* feat: add html lang attribute

* R.I.P

* Hello React

* refactor: initialize VisualDL 2.0

* fix: layout rerender

* add favicon

* add page title

* add meta tags

* feat: finish tag filter

* refactor: hook tastes good

* add single select

* finish components

* add api server

* scalars segregate metrics

* json-server sucks

* echarts

* add eslint

* bug fix

* finish scalars page

* change layout, fix aside

* add commit hook

* use tag filter hook

* add chart loading

* encapsulate run select

* samples page under construction

* finish images

* feat: graph page, still need some polishment

* finish high-dimensional

* fix mock data problem

* update readme

* fix build

* fix: use Buffer.from instead of constractor

* update Readme

* add simplified chinese readme

* build: travis

* build: travis

* style: fix type errors

* build: travis-ci

* fix: remove unused page
Co-authored-by: NNiandalu <Niandalu@users.noreply.github.com>

* refactor: initialize VisualDL 2.0

* refactor: fix dev server problem

* refactor: add i18n

* refactor: fix i18n

* infra i18n支持

* styled-components for debug

* infra. essential hack for styled comopnent

* use yaml for translation

* fix: navbar url problem

* feat: add nuxt module to build locales

* fix: index route redirect error

* feat: add page title

* refactor: move i18n to module

* feat: add html lang attribute

* R.I.P

* Hello React

* refactor: initialize VisualDL 2.0

* fix: layout rerender

* add favicon

* add page title

* add meta tags

* feat: finish tag filter

* refactor: hook tastes good

* add single select

* finish components

* add api server

* scalars segregate metrics

* json-server sucks

* echarts

* add eslint

* bug fix

* finish scalars page

* change layout, fix aside

* add commit hook

* use tag filter hook

* add chart loading

* encapsulate run select

* samples page under construction

* finish images

* feat: graph page, still need some polishment

* finish high-dimensional

* fix mock data problem

* update readme

* fix build

* fix: use Buffer.from instead of constractor

* update Readme
Co-authored-by: NNiandalu <Niandalu@users.noreply.github.com>

* add paddle framework.proto and support show paddle-fluid model in web page

* modify the graph drawing policy, only draw operator node in default

* Resolution of code style issues raised by Superjomn

* front-end add vue-i18n dependency

* back-end support language selection with option --language or -L

* front-end add language support with vue-i18n

* Runs state should be reflected when query changes caused by back navigation

* Maintain run state after refresh

* finalized global run selector UI

* Add runs selector open UI effect

* Add install by sources section and a link to dev server

* Update VisualDL logo

* Add label for the x-Axis

* Add zoom controll and save image feature to embedding.