Update 2 files

• /mkdocs.yml
• /docs.it4i/general/codeit4i.md

docs.it4i/general/tools/codeit4i.md

+# Code.it4i.cz
+
+[code.it4i.cz][1] is a GitLab server maintained by IT4Innovations.
+It is available for all IT4I users and can be accessed via LDAP login credentials.
+
+It offers various tools including:
+
+## Project Management
+
+Collaborate with teammates using built-in code review tools.
+Control, track, and manage different versions of your project.
+Manage access and permission rights for different roles within your project.
+Report, track, and manage bugs and feature requests within your projects.
+Maintain project-specific documentation directly within GitLab.
+
+For more detailed information see the [GitLab documentation][2].
+
+## Continuous Integration / Continuous Deployment
+
+Automatically execute compilation scripts and test cases
+and distribute new versions of your code.
+See the [CI/CD section][a] for more information.
+
+## IT4I Documentation
+
+Participate on improving and expanding our documentation to help other users.
+
+[1]: https://code.it4i.cz/
+[2]: https://docs.gitlab.com/
+
+[a]: cicd.md