LICENSE.md

[dark-Invincible]

Adds the LICENSE.md file to clarify usage rights for contributors under the GNU General Public License v3.

[LavKumarShakya]

We are Team NULL
Added a LICENSE.md file to clearly define usage and distribution rights for the project.

The project is now explicitly licensed under the GNU General Public License v3, which helps contributors and users understand their rights and obligations when using or modifying the code.