feat: add countIfs to namespace

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---

Author: kgryte

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

@@ -513,6 +513,15 @@ setReadOnly( ns, 'countFalsy', require( '@stdlib/array/base/count-falsy' ) );
 */
 setReadOnly( ns, 'countIf', require( '@stdlib/array/base/count-if' ) );
 
+/**
+* @name countIfs
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/array/base/count-ifs}
+*/
+setReadOnly( ns, 'countIfs', require( '@stdlib/array/base/count-ifs' ) );
+
 /**
 * @name countSameValue
 * @memberof ns