Package component contains individual components that can render themselves as HTML.
NewReaction is a component for adding new reactions to a Reactable with ReactableID id.
Reaction is a component for displaying a single Reaction, as seen by CurrentUser.
ReactionsBar is a component next to anything that can be reacted to, with reactable ID. It displays all reactions for that reactable ID, and a NewReaction component for adding new reactions.
ReactionsBarInner is a static component that displays all reactions, and a NewReaction component with ReactableID for adding new reactions.