Missing example for `embObjMultipleFTsensors` device in `iCubTemplates/iCubTemplateV6_0/hardware/FT`

[traversaro]

https://github.com/robotology/robots-configuration/tree/master/iCubTemplates/iCubTemplateV6_0/hardware/FT

As noted by @marcoaccame .