Feature - Add Tebex locale field

[ItsNature]

Overview

Description: Add an optional locale field to Tebex module

Changes:

Code Example (If applicable):

Related Issue (If applicable):

Screenshots and/or Videos (If applicable):

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Review Request Checklist

• [ ] Your code follows the style guidelines of this project.
• [ ] I have performed a self-review of my code.
• [ ] I have tested this change myself. (If applicable)
• [ ] I have made corresponding changes to the documentation. (If applicable)
• [ ] The branch name follows the projects naming conventions. (e.g. feature/add-module & bugfix/fix-issue)

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