Autoresolve support

[Scoppio]

Extracts interface for some "end of game" events, this small necessary change is necessary for the implementation of an autoresolve feature that integrates with the Resolve Scenario wizard.

MegaMek/mekhq#5155

[HammerGS]

Is this still in Development, also could we get a description so we know what it does.

[HammerGS]

See note regarding Description and status

[Scoppio]

See note regarding Description and status
Added the information. This pull request is necessary for all the multiple works I am doing on auto-resolve right now. Also this is very minor, non-functional and does not cause any kind of effects anywhere else.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

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Additional details and impacted files

@@            Coverage Diff            @@
##             master    #6208   +/-   ##
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  Coverage          ?   29.01%           
  Complexity        ?    13984           
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  Files             ?     2649           
  Lines             ?   268128           
  Branches          ?    47723           
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  Hits              ?    77801           
  Misses            ?   186440           
  Partials          ?     3887           

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[Scoppio]

See note regarding Description and status

I talked with Illiani, we will move forward with this one, as the other type of autoresolve I am planning is in the back burner and may take longer than expected.