EXPS3

Adds the EXPS3 holographic sight from Escape From Tarkov into H3VR. Zerod for 10m and tested with 9x19, .45acp, 5.45, 5.56, 7.62x39, 7.62x51 and 7.62x54r. A new tan option for lovers of Eotech holo sights
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