WIP: add comments

src/app/core/components/nav.component.css

src/app/core/components/nav.component.ts

src/app/core/containers/app.component.css

src/app/core/containers/app.component.ts

src/app/core/containers/not-found-page.component.ts

src/app/core/navigation.guard.ts

src/app/detail/components/default-object.component.ts

src/app/detail/components/object-data.component.ts

src/app/detail/components/spectra/spectra-graph/rays.ts

...pp/detail/components/spectra/spectra-object.component.css

...app/detail/components/spectra/spectra-object.component.ts

src/app/detail/detail-routing.module.ts

src/app/detail/detail.module.ts

src/app/detail/store/detail.action.ts

src/app/detail/store/detail.effects.ts

src/app/detail/store/detail.reducer.ts

src/app/detail/store/detail.selector.ts

src/app/detail/store/detail.service.ts

src/app/documentation/containers/documentation.component.css

src/app/documentation/containers/documentation.component.ts