DOCSP-20107 pojo redirects (#228)

* added redirect to read and write

Author: kyuan-mongodb

source/fundamentals/crud.txt

@@ -1,3 +1,5 @@
+.. _java-crud-operations:
+
 ===============
 CRUD Operations
 ===============

source/fundamentals/data-formats/document-data-format-pojo.txt

@@ -18,19 +18,18 @@ MongoDB Java driver using plain old Java objects (`POJOs <https://en.wikipedia.o
 POJOs are often used for data encapsulation, separating business logic from
 data representation.
 
-In the following sections we show:
+The example in this guide shows how to perform the following:
 
-- A POJO example
-- How to configure the driver to serialize and deserialize POJOs
-- Sample code to read and write documents to MongoDB using POJOs
+- Configure the driver to serialize and deserialize POJOs
+- How to read and write to documents using POJOs 
 
 .. _fundamentals-example-pojo:
 
 Example POJO
 ------------
 
-To follow the steps in this guide, you can create your own class or use the
-following sample POJO class which describes some characteristics of a flower:
+To follow the steps in this guide, use the following sample POJO class
+which describes characteristics of a flower:
 
 .. code-block:: java
 
@@ -137,13 +136,12 @@ requirements:
 
       CodecProvider pojoCodecProvider = PojoCodecProvider.builder().automatic(true).build();
 
-.. note::
-
-   Codec providers also contain other objects such as ``ClassModel`` and
-   ``Convention`` instances that further define serialization behavior.
-   For more information on codec providers and customization, see our guide
-   on :doc:`POJO Customization </fundamentals/data-formats/pojo-customization>`.
+   .. note::
 
+      Codec providers also contain other objects such as ``ClassModel`` and
+      ``Convention`` instances that further define serialization behavior.
+      For more information on codec providers and customization, see our guide
+      on :doc:`POJO Customization </fundamentals/data-formats/pojo-customization>`.
 
 #. Add the ``PojoCodecProvider`` instance to a ``CodecRegistry``. The
    ``CodecRegistry`` allows you to specify one or more codec providers to
@@ -189,12 +187,14 @@ requirements:
 
       MongoCollection<Flower> collection = database.getCollection("flowers", Flower.class);
 
-Once you have configured the preceding ``MongoCollection`` instance, you can:
+Once you have configured the preceding ``MongoCollection`` instance, you
+can perform the following :ref:`CRUD operations <java-crud-operations>`
+with the POJOs:
 
-- save an instance of the POJO to the collection
-- retrieve instances of the POJO from a query on the collection
+- Create a document from a POJO
+- Retrieve data in a POJO instance
 
-The following code shows how you can insert an instance of ``Flower`` into
+The following code snippet shows how you can insert an instance of ``Flower`` into
 the collection and then retrieve it as a ``List`` of your POJO class objects:
 
 .. code-block:: java