🏷️ fix flow type

Signed-off-by: w01fgang <sumin@unix-center.ru>

Author: w01fgang

package.json

@@ -1,6 +1,6 @@
 {
   "name": "permission-gate",
-  "version": "1.0.4",
+  "version": "1.0.5",
   "description": "A library for handling roles and permissions in large-scale React apps",
   "main": "./lib/cjs/index.js",
   "module": "./lib/esm/index.js",

src/index.js.flow

@@ -6,6 +6,7 @@ type ComponentName = string;
 export type Rules = {|
   rulesMap: { [key: ComponentName]: Array<RoleName>, ... },
   role: RoleName,
+  validator?: ({ role, rulesMap, name }: Rules & { name: string; }) => boolean,
 |};
 
 declare type ProviderProps = {|