feat: add add3 to namespace

Author: kgryte

lib/node_modules/@stdlib/math/base/ops/lib/index.js

@@ -45,6 +45,15 @@ var ns = {};
 */
 setReadOnly( ns, 'add', require( '@stdlib/math/base/ops/add' ) );
 
+/**
+* @name add3
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/math/base/ops/add3}
+*/
+setReadOnly( ns, 'add3', require( '@stdlib/math/base/ops/add3' ) );
+
 /**
 * @name addf
 * @memberof ns