chore: update to version 14.0.11 and align website URLs

packages/util/is/null.js

@@ -0,0 +1,17 @@
+/**
+ * @name isNull
+ * @summary Tests for a `null` values.
+ * @description
+ * Checks to see if the input value is `null`.
+ * @example
+ * <BR>
+ *
+ * ```javascript
+ * import { isNull } from '@pezkuwi/util';
+ *
+ * console.log('isNull', isNull(null)); // => true
+ * ```
+ */
+export function isNull(value) {
+    return value === null;
+}