Lightning Comes Before [Rolling Thunder Grenade]

[V2LenKagamine]

Please note: This PR requires the merging of https://github.com/meepen/tttrw/pull/110 !!!

Adds The following:

• Rolling Thunder Grenade
• New Mod: Of Thunder: III-I Adds 1-3 bounces to [Rolling Thunder Grenade Only]
• New Mod: Of Spares I: Adds 1 extra grenade of the same type
• New Grenade Tiers: Stabilized(3Mod) and Explosive(4mod)

Spares works with all grenade types that extend ttt_basegrenade. Thunder only works and can roll on a Rolling Thunder Grenade.

Tested and working as intended.

Next in Line: MIRV + Cherry + Dense + Wide

[meepen]

will review this over weekend

[V2LenKagamine]

Time wears away will, and with it dreams.