[Minor] Reflect Damage Tweak

[Coronia]

added a few more tags to further customize ReflectDamage

• ReflectDamage.Chance determines the chance of reflection.
• ReflectDamage.Override directly overrides the damage.
• SuppressReflectDamage.Groups does the same thing as SuppressReflectDamage.Types but for all AttachEffectTypes in the listed groups.

In rulesmd.ini:

[SOMEATTACHEFFECT]                             ; AttachEffectType
ReflectDamage.Chance=1.0                       ; floating point value
ReflectDamage.Override=                        ; integer

[SOMEWARHEAD]
SuppressReflectDamage.Groups=                  ; comma-separated list of strings (group IDs)

[github-actions]

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[Starkku]

Looks mostly fine, little bit unsure about clarity of ReflectDamage.Override as a key name but I can't think of a suitable replacement currently. There's one small thing I'd change though.