add tmux basic config

tmux.conf

@@ -0,0 +1,16 @@
+setw -g mode-keys vi
+
+bind-key R source-file ~/.tmux.conf \; display-message "tmux.conf reloaded."
+
+# use vim-like keys for splits and windows
+bind-key v split-window -h -c "#{pane_current_path}"
+bind-key s split-window -v -c "#{pane_current_path}"
+bind-key h select-pane -L
+bind-key j select-pane -D
+bind-key k select-pane -U
+bind-key l select-pane -R
+bind-key t swap-window -t +1
+bind-key T swap-window -t -1
+
+set-option -sg escape-time 0
+set -s escape-time 0