Support for 'UniFi Dream Router 7' in On Boot 2.x

[oranheim]

Is your feature request related to a problem? Please describe. Add support for UDR7 in On Boot 2.x.

Describe the solution you'd like Pull request: #650

Additional context I have tested the PR and here is the install log:

root@BRA-UDR:/data/split-vpn# curl -fsL "https://raw.githubusercontent.com/oranheim/unifios-utilities/refs/heads/feature/onboot_2x_udr7/on-boot-script-2.x/remote_install.sh" | /bin/bash
  _   _ ___  __  __   ___           _
 | | | |   \|  \/  | | _ ) ___  ___| |_
 | |_| | |) | |\/| | | _ \/ _ \/ _ \  _|
  \___/|___/|_|  |_| |___/\___/\___/\__|

 Execute any script when your udm system
 starts.

UniFi Dream Router 7 version 4.1.18 was detected
Installing on-boot script...
Failed to disable unit: Unit file udm-boot.service does not exist.
Creating systemctl service file
Enabling UDM boot...
Created symlink /etc/systemd/system/multi-user.target.wants/udm-boot.service → /etc/systemd/system/udm-boot.service.
UDM Boot Script installed

Downloading CNI plugins script...
CNI plugins script installed
Executing CNI plugins script...
Downloading https://github.com/containernetworking/plugins/releases/download/v1.6.2/cni-plugins-linux-arm64-v1.6.2.tgz.sha256
Downloading https://github.com/containernetworking/plugins/releases/download/v1.6.2/cni-plugins-linux-arm64-v1.6.2.tgz
Pouring /data/.cache/cni-plugins/cni-plugins-linux-arm64-v1.6.2.tgz

Downloading CNI bridge script...
CNI bridge script installed
Executing CNI bridge script...
/data/on_boot.d/06-cni-bridge.sh

On boot script installation finished

You can now place your scripts in `/data/on_boot.d`