VATSIM Spain sectors update

[ImAlex28]

Description of changes

This pull request add new sectors and modify the current ones for VATSIM Spain.

Reason and motivation

This pull request aims to update the sectorization of Spain to reflect our current sectorization and avoid confusion among pilots.

Approved contributior?

• [x] I am on the approved contributers list
• [ ] I have sent an request by email to get approved
• [ ] Someone on the approved contributer list will review this request