Add crud for projections

src/app/app.routing.module.ts

src/app/components/index.ts

src/app/components/menu/menu.component.html

src/app/components/page-header/page-header.component.ts

...nents/projections/detail/projection-detail.component.html

...nents/projections/detail/projection-detail.component.scss

...ponents/projections/detail/projection-detail.component.ts

...omponents/projections/edit/projection-form.component.html

...omponents/projections/edit/projection-form.component.scss

.../components/projections/edit/projection-form.component.ts

...pp/components/projections/list/projections.component.html

...pp/components/projections/list/projections.component.scss

src/app/components/projections/list/projections.component.ts

...omponents/resources/detail/resource-detail.component.scss

src/app/models/projection.model.ts

src/app/services/index.ts

src/app/services/projection.service.ts

src/styles.scss