fix: export getTransitionMeta, getTransitionID, and transition types from barrel

Author: edvincandon

src/index.ts

@@ -3,7 +3,7 @@ export { optimistron } from './optimistron';
 export { listState } from './state/list';
 export { nestedRecordState, recordState } from './state/record';
 export { singularState } from './state/singular';
-export { isTransition, Operation, OptimisticMergeResult, TransitionMode } from './transitions';
+export { getTransitionID, getTransitionMeta, isTransition, Operation, OptimisticMergeResult, TransitionMode } from './transitions';
 
 export type { HandlerReducer, ReducerConfig } from './reducer';
 export type { ActionMatcher, BoundStateHandler, CrudActionMap, StateHandler, TransitionState, VersioningOptions, WiredStateHandler } from './state/types';
@@ -15,4 +15,4 @@ export type { SingularStateOptions } from './state/singular';
 export type { MaybeNull, PathMap as PathIds, StringKeys } from './utils/types';
 
 export type { RecordState as IndexedState, RecursiveRecordState as NestedRecord, PathOf } from './state/record';
-export type { CommittedAction, StagedAction, Transition, TransitionAction } from './transitions';
+export type { CommittedAction, StagedAction, Transition, TransitionAction, TransitionMeta, TransitionNamespace } from './transitions';