Add basic tmux configuration

tmux.conf

@@ -0,0 +1,21 @@
+unbind C-b
+set -g prefix C-a
+
+bind-key r source-file ~/.tmux.conf \; display-message "~/.tmux.conf reloaded"
+
+set-option -g status-bg '#666666'
+set-option -g status-fg '#aaaaaa'
+
+set-option -g default-terminal "screen-256color"
+
+# Map navigation key bindings.
+bind-key -n C-h select-pane -L
+bind-key -n C-j select-pane -D
+bind-key -n C-k select-pane -U
+bind-key -n C-l select-pane -R
+
+bind-key - split-window -v -c '#{pane_current_path}'
+bind-key \ split-window -v -c '#{pane_current_path}'
+
+set-option -g status-right " #(battery -t)  #(date '+%a, %b %d - %H:%M') "
+