feat: add dialog to explain search input on home page search

...e-archive-restricted-request-access-dialog.component.html

...e-archive-restricted-request-access-dialog.component.scss

...ome-archive-restricted-request-access-dialog.component.ts

...nts/dialogs/home-search-help/home-search-help.dialog.html

...nts/dialogs/home-search-help/home-search-help.dialog.scss

...nents/dialogs/home-search-help/home-search-help.dialog.ts

...omponents/routables/home-search/home-search.routable.html

...omponents/routables/home-search/home-search.routable.scss

.../components/routables/home-search/home-search.routable.ts

src/app/features/home/home.module.ts

src/app/features/home/services/home.service.ts

src/app/shared/enums/icon-name.enum.ts

src/app/shared/enums/label-translate.enum.ts

src/app/shared/helpers/icon.helper.ts

src/assets/i18n/de.json

src/assets/i18n/en.json

src/assets/i18n/fr.json