feat(@stdlib/assert): add isDateObject function,requested changes,stdlib-js#1337

Author: adityacodes30

Diff for: lib/node_modules/@stdlib/assert/is-same-date-object/README.md

@@ -20,7 +20,7 @@ limitations under the License.
 
 # isSameDateObject
 
-> Test if two values are both Date objects corresponding to the same date and time.
+> Test if two values are [Date](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date) objects corresponding to the same date and time.
 
 <section class="usage">