change support label to As-Is (#248)

Author: jacalata

README.md

@@ -1,15 +1,11 @@
 # document-api-python
-[![Tableau Supported](https://img.shields.io/badge/Support%20Level-Tableau%20Supported-53bd92.svg)](https://www.tableau.com/support-levels-it-and-developer-tools)
+[![As-Is](https://img.shields.io/badge/Support%20Level-As--Is-e8762c.svg)](https://www.tableau.com/support-levels-it-and-developer-tools)
 
-This repo contains Python source and example files for the Tableau Document API. 
-
-For more information, see the documentation:
-
-<https://tableau.github.io/document-api-python>
 
 Document API
 ---------------
-The Document API provides a supported way to programmatically make updates to Tableau workbook and data source files. If you've been making changes to these file types by directly updating the XML--that is, by XML hacking--this SDK is for you :)
+This repo contains Python source and example files for the Tableau Document API. 
+The Document API provides a useful but *unsupported* way to programmatically make updates to Tableau workbook and data source files. If you've been making changes to these file types by directly updating the XML--that is, by XML hacking--this SDK is for you :) Get help from other users on the [Tableau Community Forums](https://community.tableau.com/s/topic/0TO4T000000SF3sWAG/document-api).
 
 Features include:
 - Support for TWB, TWBX, TDE and TDSX files starting roughly back to Tableau 9.x
@@ -27,8 +23,9 @@ Features include:
   - Get all fields in a data source
   - Get all fields in use by certain sheets in a workbook
 
+- It *doesn't* support creating files from scratch, adding extracts into workbooks or data sources, or updating field information. As of 2021, this SDK no longer supports Python 2.
+
 For Hyper files, take a look at the [Tableau Hyper API](https://help.tableau.com/current/api/hyper_api/en-us/index.html).
 
-We don't support creating files from scratch, adding extracts into workbooks or data sources, or updating field information
+For more information, see the [Document API documentation](https://tableau.github.io/document-api-python)
 
-As of 2021, this SDK no longer supports Python 2.