k-link 0.3.0

First public release.

• USRP link (AllStarLink chan_usrp, DVSwitch Analog_Bridge)
• Virtual sound card "k-link: to radio" / "k-link: from radio" with VOX
• PTT/COS by virtual serial port /dev/ttyKLINK0 (run k-link setup-serial once)
• ALSA device klink for ALSA-only apps (Direwolf, SvxLink)
• Web UI on port 8077: status, levels, pairing, loop test, settings

Install on Debian/Ubuntu/Raspberry Pi OS:

sudo apt install ./k-link_0.3.0_all.deb
k-link config && k-link pair && k-link test
systemctl --user enable --now k-link