Added a framework to test endpoint security

(%release-note:

- Added Endpoint Security Testing Framework

Introduced a framework to the library for testing endpoint security configurations. It enables automated validation that all API endpoints are properly secured as per the defined expectations.

%)

src/DfE.CoreLibs.Testing/readme.md

@@ -47,7 +47,6 @@ In your tests, you can use `CustomAutoData` to easily inject customizations like
         Assert.Equal(expectedMp.LastName, result.LastName);
     }
 ```
-
 
 ### CustomWebApplicationDbContextFactory