Update CONTRIBUTING.md

docs/CONTRIBUTING.md

@@ -47,11 +47,14 @@ Follow [PEP 8 Guidelines](https://peps.python.org/pep-0008/), which is standard
 These are the documents that will be helpful to understand the codebase
 
 * [discord.py](https://discordpy.readthedocs.io/en/latest/)
+* [MongoDB](https://www.mongodb.com/docs/drivers/motor/)
+* [Docker](https://docs.docker.com)
 * [Argos Translate](https://www.argosopentech.com)
 * [PyCAI](https://pycai.gitbook.io/welcome/)
 * [Fluent Runtime](https://projectfluent.org/python-fluent/fluent.runtime/stable/usage.html)
 
 If you have any questions, please don't hesitate to ask. You can contact me via [Discord](https://discord.seoulsky.org) or email: [email protected].
+
 ## License
 By contributing, you agree that your contributions will be licensed under its MIT License.