feat: add nditerStacks to namespace

Author: kgryte

lib/node_modules/@stdlib/ndarray/iter/lib/index.js

@@ -117,6 +117,15 @@ setReadOnly( ns, 'nditerRows', require( '@stdlib/ndarray/iter/rows' ) );
 */
 setReadOnly( ns, 'nditerSelectDimension', require( '@stdlib/ndarray/iter/select-dimension' ) );
 
+/**
+* @name nditerStacks
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/iter/stacks}
+*/
+setReadOnly( ns, 'nditerStacks', require( '@stdlib/ndarray/iter/stacks' ) );
+
 /**
 * @name nditerSubarrays
 * @memberof ns