Add 'tasks' alias to easily see tasks outside current context

dotfiles/bash/main.bashrc

 alias grep='grep --color --binary-files=without-match'
 alias sc='se --direction=encz.cz'
 alias taskm='task modify'
+alias tasks='task rc.context:none'
 alias ts='ts "%F %T"'
 alias lsblk='lsblk -o +UUID,LABEL'
 alias virsh='virsh --connect qemu:///system'