Add the ability to block non-allies gaining benefits from Beacons placed in towns.

[LlmDl]

• Requires Paper for this to work.

  - New Config Option: global_town_settings.beacons_for_allies_only
    - Default: false
    - When true, a beacon placed in a town will only affect the allies of the town. This includes residents, nation residents and allied nation residents.
  - New Config Option: global_town_settings.beacons.exclude_conquered_towns
    - Default: false
    - When true, conquered towns are not considered allies.

Description:

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New Nodes/Commands/ConfigOptions:

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Relevant Towny Issue ticket:

• Closes #7532

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  • [x] I have tested this pull request for defects on a server.

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