Search multiple => WIP

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

...-multiple/components/progress-bar-multiple.component.html

...-multiple/components/progress-bar-multiple.component.scss

...ch-multiple/components/progress-bar-multiple.component.ts

...earch-multiple/components/summary-multiple.component.html

...earch-multiple/components/summary-multiple.component.scss

.../search-multiple/components/summary-multiple.component.ts

...stance/search-multiple/containers/datasets.component.html

...instance/search-multiple/containers/datasets.component.ts

...stance/search-multiple/containers/position.component.html

...stance/search-multiple/containers/position.component.scss

...instance/search-multiple/containers/position.component.ts

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

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

...nstance/search-multiple/search-multiple-routing.module.ts

...p/instance/search-multiple/search-multiple.component.html

...app/instance/search-multiple/search-multiple.component.ts

...rc/app/instance/search-multiple/search-multiple.module.ts

...src/app/instance/store/actions/search-multiple.actions.ts

client/src/app/instance/store/models/index.ts