add BDU-50LD and BDU-50HD to loadout options

[callmepartario]

Locate CLSIDs for:

• BDU-50LD
• BDU-50HD

theses better reflect weight of the service munitions

[twanmal]

not sure if this is 1) still actual , 2) right or wrong but I have this from :

https://github.com/pydcs/dcs/blob/master/dcs/weapons_data.py#L206

BDU_50HD___2 = {"clsid": "{CFT_L_BDU50HD_x_2}", "name": "BDU-50HD * 2", "weight": 464}
BDU_50HD___2_ = {"clsid": "{CFT_R_BDU50HD_x_2}", "name": "BDU-50HD * 2", "weight": 464}
BDU_50HD___3 = {"clsid": "{CFT_L_BDU50HD_x_3}", "name": "BDU-50HD * 3", "weight": 696}
BDU_50HD___3_ = {"clsid": "{CFT_R_BDU50HD_x_3}", "name": "BDU-50HD * 3", "weight": 696}
BDU_50HD___500lb_Inert_Practice_Bomb_HD = {"clsid": "{BDU-50HD}", "name": "BDU-50HD - 500lb Inert Practice Bomb HD", "weight": 232}
BDU_50HD___6 = {"clsid": "{CFT_L_BDU50HD_x_6}", "name": "BDU-50HD * 6", "weight": 1392}
BDU_50HD___6_ = {"clsid": "{CFT_R_BDU50HD_x_6}", "name": "BDU-50HD * 6", "weight": 1392}
BDU_50LD___2 = {"clsid": "{CFT_L_BDU50LD_x_2}", "name": "BDU-50LD * 2", "weight": 464}
BDU_50LD___2_ = {"clsid": "{CFT_R_BDU50LD_x_2}", "name": "BDU-50LD * 2", "weight": 464}
BDU_50LD___3 = {"clsid": "{CFT_L_BDU50LD_x_3}", "name": "BDU-50LD * 3", "weight": 696}
BDU_50LD___3_ = {"clsid": "{CFT_R_BDU50LD_x_3}", "name": "BDU-50LD * 3", "weight": 696}
BDU_50LD___500lb_Inert_Practice_Bomb_LD = {"clsid": "{BDU-50LD}", "name": "BDU-50LD - 500lb Inert Practice Bomb LD", "weight": 232}
BDU_50LD___6 = {"clsid": "{CFT_L_BDU50LD_x_6}", "name": "BDU-50LD * 6", "weight": 1392}
BDU_50LD___6_ = {"clsid": "{CFT_R_BDU50LD_x_6}", "name": "BDU-50LD * 6", "weight": 1392}