Merge branch 'develop' into 'feature/install-switch-frontends'

CHANGELOG.md

build/webpack.dev.conf.js

src/lang/en.js

src/lang/es.js

src/lang/oc.js

src/lang/zh.js

src/router/index.js

src/styles/index.scss

src/utils/clipboard.js

src/utils/request.js

src/views/charts/keyboard.vue

src/views/charts/line.vue

src/views/charts/mixChart.vue

src/views/clipboard/index.vue

src/views/dashboard/admin/components/BarChart.vue

src/views/dashboard/admin/components/BoxCard.vue

src/views/dashboard/admin/components/LineChart.vue

src/views/dashboard/admin/components/PanelGroup.vue

src/views/dashboard/admin/components/PieChart.vue

src/views/dashboard/admin/components/RaddarChart.vue