Feature: Group Policy (ADMX/ADML)

[BornToBeRoot]

Changes proposed in this pull request

• Indroducing (User) Group Policies
• Policies are implemented as needed - like Update Check or Path to Settings/Profiles.
• GPOs have always higher prio than

Related issue(s)

• Fixes #3213

To-Do

• [ ] Update documentation to reflect this changes
• [ ] Update changelog to reflect this changes

Contributing

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• [x] I have read and understood the contributing guidelines and the code of conduct.
• [x] I have have added my name, username or email to the contributors list or don't want to.
• [x] The code or resource is compatible with the GNU General Public License v3.0.