feat: export immutibility type helpers in public API

docs/api-reference.mdx

@@ -227,3 +227,23 @@ A type that creates Flux-standard compliant action.
 ## _ActionType<T\>_
 
 A type that infers action from (**_ActionCreator_** ) or (**_Reducer_** ).
+
+## _DeepImmutable<T\>_
+
+A type which gives any type as input and return corresponding **deeply** immutable data structure as output.
+
+## _DeepImmutableObject<T\>_
+
+A type which gives an `object` type as input and return corresponding **deeply** immutable data structure as output.
+
+## _DeepImmutableMap<T\>_
+
+A type which gives a `Map` type as input and return corresponding **deeply** immutable data structure as output.
+
+## _DeepImmutableArray<T\>_
+
+A type which gives an `Array` type as input and return corresponding \*\*deeply immutable data structure as output.
+
+## _Immutable<T\>_
+
+A type which gives any type as input and return corresponding **shallowly** immutable data structure as output.

src/index.ts

@@ -9,4 +9,11 @@ export {
 export { getType } from './get-type'
 export { createReducer } from './create-reducer'
 export { ofType } from './of-type'
-export { ActionType } from './types'
+export {
+  ActionType,
+  Immutable,
+  DeepImmutable,
+  DeepImmutableArray,
+  DeepImmutableMap,
+  DeepImmutableObject,
+} from './types'