Update entities.lua

Added:
ent_jack_bodyarmor_vest_bn
ent_jack_suit_eod
ent_jack_suit_fire
ent_jack_suit_hazmat
ent_jack_bodyarmor_helm_im
ent_jack_bodyarmor_vest_im
ent_jack_bodyarmor_helm_kr
ent_jack_bodyarmor_vest_ks
ent_jack_bodyarmor_helm_pe
ent_jack_bodyarmor_helm_ri
ent_jack_bodyarmor_vest_sk
ent_jack_bodyarmor_vest_sv
ent_jack_bodyarmor_helm_st
models/Items/item_item_crate.mdl