updated TOC (#38)

Author: kyuan-mongodb

source/usage-examples.txt

@@ -13,17 +13,13 @@ Usage Examples
 .. toctree::
 
    /usage-examples/find-operations
-   /usage-examples/update-operations
-   /usage-examples/delete-operations
+   /usage-examples/write-operations
+   /usage-examples/bulkWrite
+   /usage-examples/watch
    /usage-examples/count
+   /usage-examples/distinct
    /usage-examples/command
    /usage-examples/struct-tagging
-   /usage-examples/distinct
-   /usage-examples/bulkWrite
-   /usage-examples/watch
-
-..
-   /usage-examples/insert-operations
 
 Overview
 --------

source/usage-examples/delete-operations.txt

@@ -9,6 +9,8 @@ Write Operations
 - :doc:`Update a Document </usage-examples/updateOne>`
 - :doc:`Update Multiple Documents </usage-examples/updateMany>`
 - :doc:`Replace a Document </usage-examples/replaceOne>`
+- :doc:`Delete a Document </usage-examples/deleteOne>`
+- :doc:`Delete Multiple Documents </usage-examples/deleteMany>`
 
 .. toctree::
    :caption: Examples
@@ -18,3 +20,5 @@ Write Operations
    /usage-examples/updateOne
    /usage-examples/updateMany
    /usage-examples/replaceOne
+   /usage-examples/deleteOne
+   /usage-examples/deleteMany