Manpages of src:libavg in Debian buster

• avg_audioplayer(1)
• avg_checktouch(1)
• avg_checkvsync(1)
• avg_chromakey(1)
• avg_showcamera(1)
• avg_showfile(1)
• avg_showfont(1)
• avg_showsvg(1)
• avg_videoinfo(1)
• avg_videoplayer(1)
• avgrc(5)