update docs

Author: pwelter34

README.md

@@ -155,6 +155,10 @@ Entity Framework Core Generator supports generating [Read](https://efg.loresoft.
 
 ## Change Log
 
+### Version 4.5
+
+- add support for nullable reference types
+
 ### Version 4.0
 
 - upgrade projects to .net 6

appveyor.yml

@@ -1,4 +1,4 @@
-version: 4.0.{build}
+version: 4.5.{build}
 os: Visual Studio 2022
 
 environment:

docs/configuration.md

@@ -17,7 +17,8 @@ project:
   namespace: 'Company.{Database.Name}'
   # the root directory for the project
   directory: .\
-
+  # output should support nullable reference types
+  nullable: true
 #---------------------------------#
 # data section -  Used for configuring database connections
 #---------------------------------#