Added comments and vim binds for pane navigation.

.tmux.conf

@@ -1,6 +1,16 @@
+# terminal
 set -g default-terminal "alacritty"
+
+# vi mode
 set-window-option -g mode-keys vi
+
 # remap prefix from 'C-b' to 'C-a'
 unbind C-b
 set-option -g prefix C-a
 bind-key C-a send-prefix
+
+# vim binds for pane navigation
+bind-key h select-pane -L
+bind-key j select-pane -D
+bind-key k select-pane -U
+bind-key l select-pane -R