(DOCSP-29159): API Documentation page (#33)

# Pull Request Info

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

JIRA - https://jira.mongodb.org/browse/DOCSP-29159
Staging -
https://docs-mongodbcom-staging.corp.mongodb.com/kotlin/docsworker-xlarge/DOCSP-29159/api-documentation/

## 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

snooty.toml

@@ -11,6 +11,7 @@ toc_landing_pages = [
     "/fundamentals/crud",
     "/fundamentals/builders",
     "/usage-examples",
+    "/api-documentation",
 ]
 sharedinclude_root = "https://raw.githubusercontent.com/10gen/docs-shared/main/"
 

source/api-documentation.txt

@@ -8,9 +8,17 @@ API Documentation
    :titlesonly:
    :maxdepth: 1
 
-    BSON <{+api+}/apidocs/bson/index.html>
-    BSON Record Codec <{+api+}/apidocs/bson-record-codec/index.html>
-    Core <{+api+}/apidocs/mongodb-driver-core/index.html>
-    Java Driver (modern API) <{+api+}/apidocs/mongodb-driver-sync/index.html>
-    Java Driver (legacy API) <{+api+}/apidocs/mongodb-driver-legacy/index.html>
-    
+    BSON kotlinx.serialization <{+api+}/apidocs/bson-kotlinx/index.html>
+    Core <{+api+}/apidocs/apidocs/mongodb-driver-core/index.html>
+    Kotlin Coroutine Driver <{+api-kotlin+}/apidocs/mongodb-driver-kotlin-coroutine/index.html>
+    Kotlin Sync Driver <{+api-kotlin+}/apidocs/mongodb-driver-kotlin-sync/index.html>
+
+- `BSON kotlinx.serialization <{+api-kotlin+}/apidocs/bson-kotlinx/index.html>`__ -
+  classes for encoding and decoding between Kotlin data classes and the BSON data
+  format using :github:`kotlinx.serialization <Kotlin/kotlinx.serialization>`.
+- `Core <{+api+}/apidocs/mongodb-driver-core/index.html>`__ - classes that
+  contain essential driver functionality.
+- `Kotlin Coroutine Driver <{+api-kotlin+}/apidocs/mongodb-driver-kotlin-coroutine/index.html>`__ -
+  classes for the current driver API using coroutines.
+- `Kotlin Sync Driver <{+api-kotlin+}/apidocs/mongodb-driver-kotlin-sync/index.html>`__ -
+  classes for the current synchronous driver API.