add sdr tools

[ZeroChaos-]

list per @ckoval7

• Not in all containers

• In all containers

• gnuradio

• gqrx-sdr

• gr-osmosdr

• fldigi

• qsstv

• wsjtx

less likely to be in repos:

• urh https://github.com/jopohl/urh
• gr-lora_sdr https://github.com/tapparelj/gr-lora_sdr
• nrsc5 https://github.com/theori-io/nrsc5