add deprecation to docs index (#474)

Author: ceciliastevens

docs/index.md

@@ -16,6 +16,10 @@
     methods
 ```
 
+```{eval-rst}
+.. warning:: Incydr functionality in py42 is **deprecated**. Use the resources at https://developer.code42.com/ instead.
+```
+
 
 [![license](https://img.shields.io/pypi/l/py42.svg)](https://pypi.org/project/py42/)
 [![versions](https://img.shields.io/pypi/pyversions/py42.svg)](https://pypi.org/project/py42/)

src/py42/__version__.py

@@ -1,3 +1,3 @@
 # py42
 
-__version__ = "1.28.0"
+__version__ = "1.28.1"