Replace tmux with kitty

- setup.sh: install kitty instead of tmux, fix clone URL
- .bashrc: remove tmux auto-start, add kitty SSH alias
- .tmux.conf: removed
- README.md: update to kitty documentation

setup.sh

@@ -19,21 +19,18 @@ done
 echo ">>> Bootstrapping new Debian-like machine..."
 
 # 1. Update package list and install essentials
-echo ">>> Installing bash, tmux, and vim..."
+echo ">>> Installing bash, kitty, and vim..."
 sudo apt update
-# Remove minimal vim if installed, then install clipboard-enabled version
-sudo apt remove -y vim || true
-sudo apt install -y bash tmux vim-gtk3 git curl
+sudo apt install -y bash kitty vim-gtk3 git curl
 
 # 2. Clone your dotfiles (bare repo style)
 if [ ! -d "$HOME/.dotfiles" ]; then
     echo ">>> Cloning dotfiles repo..."
-    git clone --bare https://gitea.james-server.duckdns.org/james/dotfiles $HOME/.dotfiles
+    git clone --bare https://gitea.sjhl.nz/james/dotfiles $HOME/.dotfiles
 else
     echo ">>> Dotfiles repo already exists."
 fi
 
-
 # 3. Checkout dotfiles
 dotfiles() {
     /usr/bin/git --git-dir="$HOME/.dotfiles/" --work-tree="$HOME" "$@"
@@ -43,7 +40,6 @@ if ! dotfiles checkout; then
     echo ">>> Conflicts detected! Handling conflicting dotfiles..."
     mkdir -p "$HOME/.dotfiles-backup"
 
-    # Gather conflicts (paths with spaces supported)
     conflicts=$(dotfiles checkout 2>&1 | grep -E "\s+\." | awk '{print $1}')
     if [ -n "$conflicts" ]; then
         if [ "$PROMPT_DELETE" = "0" ]; then
@@ -71,12 +67,4 @@ fi
 
 dotfiles config --local status.showUntrackedFiles no
 
-# 4. setup tmux
-mkdir -p ~/.tmux/plugins
-if [ ! -d ~/.tmux/plugins/tpm ]; then
-    echo ">>> Installing Tmux Plugin Manager..."
-    git clone https://github.com/tmux-plugins/tpm ~/.tmux/plugins/tpm
-fi
-
-
-echo ">>> Done! Bash, tmux, vim, and dotfiles are ready." 
+echo ">>> Done! Bash, kitty, vim, and dotfiles are ready."