Fix/SK-000 | Create SECURITY.md

[Wrede]

This pull request adds a comprehensive security policy to the SECURITY.md file. The new policy includes details on supported versions, reporting vulnerabilities, and security best practices.

Key changes:

• Added a section detailing the supported versions of the project and their support status.
• Provided clear instructions on how to report a security vulnerability, emphasizing private reporting and the steps involved.
• Included a section on security best practices, recommending users keep the project up-to-date and review documentation for secure configuration tips.