New AutoDeath condition: Terrain

[Flactine]

Description

Add a new autodeath condition: terrain.
If a unit is on a kind of terrain (or not on a kind of terrain), objects can be destroyed.

INI code

[TechnoType]
AutoDeath.OnTerrain=TerrainType (Clear, Rough, Road, Water, Rock...)
AutoDeath.NotOnTerrain=TerrainType (Clear, Rough, Road, Water, Rock...)

Additional context

No response

Checklist

• The suggestion is NOT related to functionality of Ares, HAres, Kratos or any other YR engine extension.
• The suggested feature / enhancement is NOT implemented in Ares/Phobos yet and the existing possibilites are not viable or good enough to achieve the wanted result.
• I agree to elaborate the details if requested and provide thorough testing if the feature is implemented.
• I added a very descriptive title to this topic.
• I used the GitHub search and read the topic list to find a similar topic and didn't find it.
• I thought out how the feature / enhancement should work and described it in the most detailed and clear way.