Add opencode and dua-cli to setup.sh

setup.sh

@@ -29,6 +29,20 @@ if ! command -v rustc &> /dev/null; then
     curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
 fi
 
+# Install opencode
+echo ">>> Installing OpenCode..."
+if ! command -v opencode &> /dev/null; then
+    curl -fsSL https://opencode.ai/install | sh
+fi
+
+# Install dua-cli (disk usage)
+echo ">>> Installing dua-cli..."
+if ! command -v dua &> /dev/null; then
+    curl -fsSL https://github.com/Byron/dua-cli/releases/download/v*/dua-*-x86_64-unknown-linux-gnu.tar.gz | tar -xz -C /tmp
+    sudo mv /tmp/dua-*/dua /usr/local/bin/
+    rm -rf /tmp/dua-*
+fi
+
 # 2. Clone your dotfiles (bare repo style)
 if [ ! -d "$HOME/.dotfiles" ]; then
     echo ">>> Cloning dotfiles repo..."