Update namespace

Author: kgryte

lib/node_modules/@stdlib/string/lib/index.js

@@ -99,6 +99,15 @@ setReadOnly( string, 'ltrim', require( '@stdlib/string/left-trim' ) );
 */
 setReadOnly( string, 'lowercase', require( '@stdlib/string/lowercase' ) );
 
+/**
+* @name numGraphemeClusters
+* @memberof string
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/string/num-grapheme-clusters}
+*/
+setReadOnly( string, 'numGraphemeClusters', require( '@stdlib/string/num-grapheme-clusters' ) );
+
 /**
 * @name pad
 * @memberof string