Merge pull request #34 from vector-im/unread-count

package.json

src/main.ts

src/observables/MessageFromParent.ts

src/parent/iframe.ts

src/parent/load.ts

src/parent/parent-style.css

src/parent/parent.ts

src/ui/views/ChatterboxView.ts

src/viewmodels/ChatterboxViewModel.ts

src/viewmodels/RootViewModel.ts