feat: add snanmidrange and srangeabs to namespace

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---

Author: kgryte

lib/node_modules/@stdlib/stats/strided/lib/index.js

@@ -1737,6 +1737,15 @@ setReadOnly( ns, 'snanmeanpn', require( '@stdlib/stats/strided/snanmeanpn' ) );
 */
 setReadOnly( ns, 'snanmeanwd', require( '@stdlib/stats/strided/snanmeanwd' ) );
 
+/**
+* @name snanmidrange
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/stats/strided/snanmidrange}
+*/
+setReadOnly( ns, 'snanmidrange', require( '@stdlib/stats/strided/snanmidrange' ) );
+
 /**
 * @name snanmin
 * @memberof ns
@@ -1809,6 +1818,15 @@ setReadOnly( ns, 'snanrange', require( '@stdlib/stats/strided/snanrange' ) );
 */
 setReadOnly( ns, 'srange', require( '@stdlib/stats/strided/srange' ) );
 
+/**
+* @name srangeabs
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/stats/strided/srangeabs}
+*/
+setReadOnly( ns, 'srangeabs', require( '@stdlib/stats/strided/srangeabs' ) );
+
 /**
 * @name sstdev
 * @memberof ns