Add version note for IOCSerializer FireHol categories field

Author: opbot-xd

docs/GreedyBear/Api-docs.md

@@ -42,6 +42,8 @@ _Note: Enhanced with additional filter fields (ioc_type, etc.) in version > 2.4.
 ### `IOCSerializer`
 :::docs.Submodules.GreedyBear.api.serializers.IOCSerializer
 
+_Note: Includes FireHol categories field in version > 2.4.0_
+
 ### `GeneralHoneypotSerializer`
 :::docs.Submodules.GreedyBear.api.serializers.GeneralHoneypotSerializer
 

docs/GreedyBear/Contribute.md

@@ -34,8 +34,6 @@ Keeping to a consistent code style throughout the project makes it easier to con
   - flake8-comprehensions (C4) - List/dict comprehension improvements
   - flake8-django (DJ) - Django-specific best practices
 
-Ruff is significantly faster than the previous toolchain while maintaining compatibility with existing code style.
-
 ## How to start (Setup project and development instance)
 
 To start with the development setup, make sure you go through all the steps in [Installation Guide](https://intelowlproject.github.io/docs/GreedyBear/Installation/) and properly installed it.