Minor root readme and mgmt quickstart update for Track 2 mgmt sdk (#12112)

* Update mgmt quickstart

Author: nickzhums

README.md

@@ -36,7 +36,7 @@ Last stable versions of packages that have been provided for usage with Azure an
 
 ### Management: New Releases
 A new set of management libraries that follow the [Azure SDK Design Guidelines for Python](https://azure.github.io/azure-sdk/python/guidelines/) are now in Public Preview. These new libraries provide a number of core capabilities that are shared amongst all Azure SDKs, including the intuitive Azure Identity library, an HTTP Pipeline with custom policies, error-handling, distributed tracing, and much more. 
-You can find the list of new packages [on this page](https://azure.github.io/azure-sdk/releases/latest/python.html). Documentation and code samples for these new libraries can be found [here](https://azure.github.io/azure-sdk-for-python)
+You can find the list of new packages [on this page](https://azure.github.io/azure-sdk/releases/latest/python.html). Documentation and for these new libraries can be found [here](https://azure.github.io/azure-sdk-for-python). Code samples can also be viewed [here](https://docs.microsoft.com/samples/browse/?languages=python&term=Getting%20started%20-%20Managing)
 
 > NOTE: If you need to ensure your code is ready for production use one of the stable, non-preview libraries.
 

doc/sphinx/mgmt_preview_quickstart.rst

@@ -204,7 +204,9 @@ Async and sync operations
 -------------------------
 In python>=3.5, Azure Python SDK provides the choice for user to use the asynchronous client for asynchronous programming.
 
-**Create Management Client in async**
+Note that asyncio in Windows is underpowered and please take caution when using async operations on Windows systems
+
+**Create Async Management Client**
 ::
 
     from azure.identity.aio import DefaultAzureCredential
@@ -222,7 +224,7 @@ In python>=3.5, Azure Python SDK provides the choice for user to use the asynchr
         subscription_id=SUBSCRIPTION_ID
     )
 
-**Create a Network Public IP Address**
+**Create a Network Public IP Address Async**
 ::
 
     GROUP_NAME = "testgroup"
@@ -244,6 +246,10 @@ In python>=3.5, Azure Python SDK provides the choice for user to use the asynchr
     )
     public_ip_address = await async_poller.result()
     print("Create Public IP Address:\n{}".format(public_ip_address))
+    
+Code Samples
+-------------------------
+For more code samples, please see `here <https://docs.microsoft.com/samples/browse/?languages=python&term=Getting%20started%20-%20Managing>`__
 
 Need help?
 ----------