feat(admin): show deleted structures

src/app/admin/admin.module.ts

...ents/deleted-structures/deleted-structures.component.html

...ents/deleted-structures/deleted-structures.component.scss

...onents/deleted-structures/deleted-structures.component.ts

src/app/admin/components/panel/panel.component.html

src/app/admin/components/panel/panel.component.ts

src/app/admin/services/admin.service.ts

src/app/models/structure.model.ts

src/app/shared/enum/adminPanel.enum.ts

...onents/structure-details/structure-details.component.html