DOCSP-4117 API Documentation (mongodb#35)

* DOCSP-4117 API Documentation

* fix link

Author: lindseymoore

source/index.txt

@@ -26,6 +26,7 @@
    /compatibility
    Validate Driver Artifact Signatures </validate-signatures>
    View the Source <https://github.com/mongodb/mongo-java-driver/tree/master/driver-kotlin-sync>
+   API Documentation <{+api+}/com.mongodb.kotlin.client/index.html>
 
 Introduction
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