WIP: Move datatable component

src/app/metamodel/action/attribute.action.ts

src/app/metamodel/effects/attribute.effects.ts

src/app/search-multiple/components/index.ts

...multiple/components/result/datasets-result.component.html

...h-multiple/components/result/datasets-result.component.ts

...search-multiple/containers/result-multiple.component.html

...p/search-multiple/containers/result-multiple.component.ts

src/app/search-multiple/store/search-multiple.effects.ts

src/app/shared/datatable/datatable.component.css

src/app/shared/datatable/datatable.component.html

src/app/shared/datatable/datatable.component.spec.ts

src/app/shared/datatable/datatable.component.ts

src/app/shared/datatable/renderer/detail.component.html

src/app/shared/datatable/renderer/detail.component.spec.ts

src/app/shared/datatable/renderer/detail.component.ts

src/app/shared/datatable/renderer/download.component.html

src/app/shared/datatable/renderer/download.component.spec.ts

src/app/shared/datatable/renderer/download.component.ts

src/app/shared/datatable/renderer/image.component.html

src/app/shared/datatable/renderer/image.component.spec.ts