DOCSP-41575 added information about the new JS Counter feature (#808)

## Pull Request Info

Jira ticket: https://jira.mongodb.org/browse/DOCSP-41575

- [Schema Data
Types](https://preview-mongodbosharafmdb.gatsbyjs.io/atlas-app-services/DOCSP-41575-js-counter-affected-pages/schemas/types/):
added the Node.js counter page to the list of SDKs with counter support

### Reminder Checklist

Before merging your PR, make sure to check a few things.

- [N/A] Did you tag pages appropriately?
  - genre
  - programming_language
  - meta.keywords
  - meta.description
- [x] Describe your PR's changes in the Release Notes section
- [N/A] Create a Jira ticket for related docs-realm work, if any

### Release Notes

- **Define a Data Model**
- Schemas/Schema Data Types: Add link to Node.js Counters page under the
list of SDKs that support counters.

### Review Guidelines


[REVIEWING.md](https://github.com/mongodb/docs-app-services/blob/master/REVIEWING.md)

Author: osharaf-mdb

source/schemas/types.txt

@@ -463,6 +463,7 @@ Counter data types are only supported in the following SDKs:
 - :ref:`java-counters`
 - :ref:`MutableRealmInt (Counter) - Kotlin SDK <kotlin-mutablerealmint>`
 - :ref:`realminteger`
+- :ref:`Counters - Node.js SDK <node-data-types-counters>`
 
 .. _schema-type-set: