(DOCSP-29238): Kotlin feild level encryption (#64)

# Pull Request Info

note that this page was made to resemble the relatively new java driver
['encrypt fields'
page](https://www.mongodb.com/docs/drivers/java/sync/current/fundamentals/encrypt-fields/).
this page replaces the csfle page.

[PR Reviewing
Guidelines](https://github.com/mongodb/docs-java/blob/master/REVIEWING.md)

JIRA - https://jira.mongodb.org/browse/DOCSP-29238
Staging -
https://docs-mongodbcom-staging.corp.mongodb.com/kotlin/docsworker-xlarge/DOCSP-29238/fundamentals/encrypt-fields/

## Self-Review Checklist

- [ ] Is this free of any warnings or errors in the RST?
- [ ] Did you run a spell-check?
- [ ] Did you run a grammar-check?
- [ ] Are all the links working?

Author: mongodben

source/fundamentals.txt

@@ -18,14 +18,13 @@ Fundamentals
    /fundamentals/indexes
    /fundamentals/logging
    /fundamentals/monitoring
+   /fundamentals/encrypt-fields
 
 .. TODO : add back in after MVP
    .. /fundamentals/auth
    .. /fundamentals/enterprise-auth
    .. /fundamentals/collations
    .. /fundamentals/gridfs
-   .. /fundamentals/csfle
    .. /fundamentals/time-series
 
 .. include:: /includes/fundamentals-sections.rst
-   

source/fundamentals/connection/mongoclientsettings.txt

@@ -84,16 +84,7 @@ connection behavior:
        :ref:`TLS/SSL settings <mcs-ssl-settings>`.
 
    * - ``autoEncryptionSettings()``
-     - | Sets the auto-encryption settings.
-       |
-       | If you omit ``keyVaultClient`` or set
-       | ``bypassAutomaticEncryption`` to false in your
-       | ``AutoEncryptionSettings``, the driver creates a separate,
-       | internal ``MongoClient``.
-       |
-       | The internal ``MongoClient`` configuration differs from the
-       | parent ``MongoClient`` by setting the ``minPoolSize`` to  0 and
-       | omitting the ``AutoEncryptionSettings``.
+     - Sets the :ref:`auto-encryption settings <csfle-fundamentals-automatic-encryption>`.
 
    * - ``codecRegistry()``
      - Sets the codec registry. (`Reference docs <{+api+}/apidocs/mongodb-driver-core/com/mongodb/MongoClientSettings.Builder.html#codecRegistry(org.bson.codecs.configuration.CodecRegistry)>`__

source/fundamentals/csfle.draft.rst

@@ -0,0 +1,3 @@
+.. _kotlin-fle:
+
+.. sharedinclude:: dbx/encrypt-fields.rst

source/fundamentals/encrypt-fields.txt

@@ -10,11 +10,11 @@ Fundamentals section:
 - :doc:`Create Indexes to Speed Up Queries </fundamentals/indexes>`
 - :doc:`Log Events in the Driver </fundamentals/logging>`
 - :doc:`Monitor Driver Events </fundamentals/monitoring>`
+- :doc:`Encrypt Fields in a Document </fundamentals/encrypt-fields>`
 
 .. TODO : add back in after MVP
 .. - :doc:`Authenticate with MongoDB </fundamentals/auth>`
 .. - :doc:`Transform your Data </fundamentals/aggregation>`
 .. - :doc:`Sort Using Collations </fundamentals/collations>`
 .. - :doc:`Store and Retrieve Large Files in MongoDB </fundamentals/gridfs>`
-.. - :doc:`Encrypt Fields in a Document </fundamentals/csfle>`
 .. - :doc:`Use a Time Series Collection </fundamentals/time-series>`