fix(search) : create modal component

src/app/app.module.ts

...-list/components/modal-filter/modal-filter.component.html

...-list/components/modal-filter/modal-filter.component.scss

...st/components/modal-filter/modal-filter.component.spec.ts

...re-list/components/modal-filter/modal-filter.component.ts

...tructure-list/components/recherche/recherche.component.ts

...pp/structure-list/components/search/search.component.html

src/app/structure-list/components/search/search.component.ts

src/app/structure-list/services/search.service.ts

src/app/structure-list/structure-list.component.ts