chore: add resource under mongodb:datatypes:date

src/data/roadmaps/mongodb/content/101-datatypes/110-date.md

@@ -64,3 +64,5 @@ db.events.aggregate([
 ```
 
 This query groups events by the day and year, providing a count of events for each day.
+
+- [MongoDB Documentation Date](https://www.mongodb.com/docs/manual/reference/method/date/)