update submodule

   > let vim use the general method too
   > prepare mc for crackle 0.3
   > prepare nmap for crackle 0.3
   > generalize library linking to ~/.local/lib
   > prepare tmux for crackle 0.3
   > drop terminator, focus on cli apps
   > prepare lynx for crackle 0.3
   > prepare perl for crackle 0.3
   > prepare cowsay for crackle 0.3
   > add qrencode
   > add tailscale
   > prepare vim for crackle 0.3
   > prepare git for crackle 0.3