Update shipments.lua

Added:
// Medic
AddCustomShipment("Armor Pack", "models/props_lab/reciever01b.mdl", "armor_pack", 5000, 5, false, 0, false, {TEAM_MEDIC})
AddCustomShipment("Small armor Pack", "models/props_lab/tpplug.mdl", "armor_pack_small", 2500, 5, false, 0, false, {TEAM_MEDIC})
AddCustomShipment("Tiny armor Pack", "models/props_lab/reciever01c.mdl", "armor_pack_tiny", 1000, 5, false, 0, false, {TEAM_MEDIC})
AddCustomShipment("Health Pack", "models/props_c17/briefcase001a.mdl", "health_pack", 5000, 5, false, 0, false, {TEAM_MEDIC})
AddCustomShipment("Small health Pack", "models/props_junk/cardboard_box004a.mdl", "health_pack_small", 2500, 5, false, 0, false, {TEAM_MEDIC})
AddCustomShipment("Tiny health Pack", "models/props_lab/box01b.mdl", "health_pack_tiny", 1000, 5, false, 0, false, {TEAM_MEDIC})