feat: add nulls to namespace

Author: kgryte

lib/node_modules/@stdlib/array/base/lib/index.js

@@ -1116,6 +1116,15 @@ setReadOnly( ns, 'noneBy', require( '@stdlib/array/base/none-by' ) );
 */
 setReadOnly( ns, 'noneByRight', require( '@stdlib/array/base/none-by-right' ) );
 
+/**
+* @name nulls
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/array/base/nulls}
+*/
+setReadOnly( ns, 'nulls', require( '@stdlib/array/base/nulls' ) );
+
 /**
 * @name oneTo
 * @memberof ns