Document CI validation flag 0x20 and add kernel probe

README.md

@@ -71,6 +71,10 @@ Copy the provided `Domito.props` file into the directory of your `.vcxproj` file
   <!-- The rest of the project file -->
 ```
 
+## Code Integrity API notes
+
+- [CiValidateFileObject flag 0x20: evidence, limitations, and kernel test procedure](docs/ci-validate-file-object.md)
+
 ## Sources & 3rd party credits
 
 This library benefits from these awesome projects ❤ (appearance in no special order):