Add host-window.service

src/app/app.component.spec.ts

src/app/app.component.ts

src/app/shared/host-window.actions.ts

src/app/shared/host-window.reducer.spec.ts

src/app/shared/host-window.reducer.ts

src/app/shared/host-window.service.spec.ts

src/app/shared/host-window.service.ts

src/app/shared/pagination/pagination.component.html

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

src/app/shared/pagination/pagination.component.ts

src/app/shared/shared.module.ts

src/app/shared/window.service.ts

yarn.lock