```lua
# rebind prefix to space
#
unbind C-b
set-option -g prefix C-a
bind C-a send-prefix
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R
#
# # allows for mouse support
set -g mouse on
#
# # for quick notes
# bind-key h split-window -h "vim ~/notes/notes.md"
# preix + space to jump back to prev window
bind Space last-window
#
#
# # Smart pane switching with awareness of Vim splits.
# # See: https://github.com/christoomey/vim-tmux-navigator
is_vim="ps -o state= -o comm= -t '#{pane_tty}' \
| grep -iqE '^[^TXZ ]+ +(\\S+\\/)?g?(view|l?n?vim?x?|fzf)(diff)?