Update iobroker-install.sh

- add node.js v20.x
- fixes https://github.com/tteck/Proxmox/issues/2282

install/iobroker-install.sh

@@ -17,8 +17,21 @@ msg_info "Installing Dependencies"
 $STD apt-get install -y curl
 $STD apt-get install -y sudo
 $STD apt-get install -y mc
+$STD apt-get install -y ca-certificates
+$STD apt-get install -y gnupg
 msg_ok "Installed Dependencies"
 
+msg_info "Setting up Node.js Repository"
+mkdir -p /etc/apt/keyrings
+curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg
+echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_20.x nodistro main" >/etc/apt/sources.list.d/nodesource.list
+msg_ok "Set up Node.js Repository"
+
+msg_info "Installing Node.js"
+$STD apt-get update
+$STD apt-get install -y nodejs
+msg_ok "Installed Node.js"
+
 msg_info "Installing ioBroker (Patience)"
 $STD bash <(curl -fsSL https://iobroker.net/install.sh)
 msg_ok "Installed ioBroker"