CC208S XT60 + Antenna Corrector

This piece slides onto the rear aluminum standoffs of the CC208S and it holds The XT60 as well as the VTx antenna.

There's 3 versions of it (at the moment):
- SMA + XT60 : it holds the XT60 connector and allows for an SMA pigtail (IRC Tramp style) to fit.

- XT60 + ANT V2 : it holds the XT60 and guides a thin coax style circular / linear antenna with a slight upwards angle.

- XT60 + ANT V3 (20º) : it holds the XT60 at a 20º downward angle to make it easier to plug in the battery, just l