feat: make isNumber and mapEnumToOptions public

npm/ng-packs/packages/core/src/lib/utils/index.ts

@@ -1,6 +1,8 @@
 export * from './common-utils';
+export * from './form-utils';
 export * from './generator-utils';
 export * from './initial-utils';
 export * from './lazy-load-utils';
+export * from './number-utils';
 export * from './route-utils';
 export * from './rxjs-utils';