(ui): add background animation

react-ui/package.json

react-ui/src/components/devices/view/device.view.list.tsx

react-ui/src/components/devices/view/device.view.tsx

...nts/devices/view/subcomponent/device.view.list-detail.tsx

...rc/components/devices/view_model/device.list.viewmodel.ts

react-ui/src/index.scss

react-ui/src/index.tsx

...t-ui/src/shared/components/background/background.view.tsx

react-ui/src/shared/components/box/gridBox.view.scss

react-ui/src/shared/components/box/gridBox.view.tsx

...red/components/json_viewer/reducer/json_viewer.reducer.ts

...c/shared/components/json_viewer/view/json_viewer.view.tsx

...omponents/json_viewer/viewmodel/json_viewer.viewmodel.tsx

react-ui/src/shared/layouts/grid.layout/grid.layout.scss

react-ui/src/shared/layouts/grid.layout/grid.layout.tsx

.../src/shared/layouts/protected.layout/protected.layout.tsx

react-ui/src/shared/style/colors.scss

react-ui/src/shared/style/index.scss

react-ui/src/shared/style/skeleton.scss

react-ui/yarn.lock