* Update licensing to GPL-3:
- Changed project license from "MIT OR Apache-2.0" to "GPL-3".
- Added LICENSE file with GNU GPL-3 full text.
- Removed MIT and Apache-2.0 license files from the repository.
* docs: Update license badge in README to reflect GPL v3
* Update Cargo.toml
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
* docs: updated README.md for new license
* docs: update license information to GPL-3.0 in README and Cargo.toml
---------
Co-authored-by: elipeter <eli.peter@es.fcm.travel>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
