add tmux config

.tmux.conf

@@ -0,0 +1,9 @@
+unbind-key C-b
+set -g prefix 'C-a'
+bind-key a send-prefix
+
+unbind ^A
+bind ^A select-pane -t :.+
+
+bind-key C-Tab next-window
+bind-key C-S-Tab previous-window

install.sh

@@ -2,7 +2,7 @@
 
 BACKUP_DIR="$HOME/.dotfiles_backup"
 BASE_DIR="$HOME/.dotfiles"
-INCLUDE=".bashrc .bash_profile .vimrc .vim .screenrc"
+INCLUDE=".bashrc .bash_profile .vimrc .vim .screenrc .tmux.conf"
 
 echo "backing up existing dotfiles into $BACKUP_DIR"
 mkdir -p "$BACKUP_DIR"