export plugin stuff

src/exports.ts

@@ -125,4 +125,5 @@ export { globalDefaults } from './options'
 
 export { registerRecurringType, ParsedRecurring } from './structs/recurring-event'
 
-export { createPlugin } from './plugin-system'
+export { createPlugin, PluginDef, PluginDefInput } from './plugin-system'
+export { reducerFunc, Action, CalendarState } from './reducers/types'