Update install.sh

install.sh

@@ -68,8 +68,17 @@ if ! command -v xz &> /dev/null; then
     fi
 fi
 
+# Install yq (required for config and templates)
+info "Installing yq..."
+if ! curl -sSL -o /usr/local/bin/yq https://github.com/mikefarah/yq/releases/latest/download/yq_linux_amd64; then
+    echo "Error: Failed to download yq." >&2
+    exit 1
+else
+    chmod +x /usr/local/bin/yq
+fi
+
 # Download and run the Nix installer (multi-user mode with daemon)
-curl --proto '=https' --tlsv1.2 -L https://nixos.org/nix/install | sh -s -- --daemon
+curl --proto '=https' --tlsv1.2 -sSL https://nixos.org/nix/install | sh -s -- --daemon
 
 }