[vim] make .md file extension be identified as markdown
[screen] changed header (name/links) of ppo profile scripts to reflect recent rename
[screen] created profile for "sopin" development
[bash] added "pyve" function to sitch to python virtual environments easily
[screen] changed bashrc scripts to use the new "pyve" function
[vim] enabled marker based folding on shell scripts
[gui] i3wm keyboard shortcut to open music directory in vlc