DRIVERS-2789 Convert Index Management Spec to Markdown

Author: blink1073

source/client-side-operations-timeout/client-side-operations-timeout.md

@@ -93,7 +93,7 @@ The `timeoutMS` option applies to all operations defined in the following specif
 - [Enumerating Collections](../enumerate-collections.rst)
 - [Enumerating Databases](../enumerate-databases.rst)
 - [GridFS](../gridfs/gridfs-spec.md)
-- [Index Management](../index-management/index-management.rst)
+- [Index Management](../index-management/index-management.md)
 - [Transactions](../transactions/transactions.md)
 - [Convenient API for Transactions](../transactions-convenient-api/transactions-convenient-api.rst)
 

source/client-side-operations-timeout/client-side-operations-timeout.rst

@@ -138,7 +138,7 @@ specifications:
 - `Enumerating Collections <../enumerate-collections.rst>`__
 - `Enumerating Databases <../enumerate-databases.rst>`__
 - `GridFS <../gridfs/gridfs-spec.md>`__
-- `Index Management <../index-management/index-management.rst>`__
+- `Index Management <../index-management/index-management.md>`__
 - `Transactions <../transactions/transactions.rst>`__
 - `Convenient API for Transactions <../transactions-convenient-api/transactions-convenient-api.rst>`__
 

source/collation/collation.md

@@ -135,7 +135,7 @@ The collation option is sent to the server in the form of a BSON Document. See t
 [CRUD specification](../crud/crud.md#naming) for details on supporting the option in the CRUD API.
 
 Driver helpers manipulating or using indexes MUST support a collation option. These include creating, deleting, and
-hinting an index. See the [Index Management specification](../index-management/index-management.rst) for details.
+hinting an index. See the [Index Management specification](../index-management/index-management.md) for details.
 
 ### Require maxWireVersion 5