Windows Wireguard VPN app with API communication

Requirements:

1. App must be written in Go and use wintun, wireguard-go (or https://github.com/WireGuard/wireguard-windows/tree/master/embeddable-dll-service) and lxn libraries or C# and https://github.com/WireGuard/wireguard-windows/tree/master/embeddable-dll-service
2. Must support multiple tunnels and routes

UI
1. UI. Simple tray menu with items:
1.1 Add API key (after adding key user must be able to delete this key)
1.2 Connect/Disconnect
1.3 Service list (Name: IP pair)
1.4 My host info (Name and IP)
1.5 Connection status
1.6 Exit (must stop service and exit UI)

2. Connect to a controller with an API key (websockets). Websocket will be used for receiving a configuration.

3. Service to control wg
3.1 Create/Delete tunnels and routes

4. Ping
4.1 Ping Remote endpoints
4.2 Send latency/packet loss info to the controller

5. Installer
Install app and all required libraries

Design (wireframes + ux design) will be provided by us.

We internally estimate it should take 2-4 weeks.

PLEASE NOTE: Technologies mentioned above and specs are a subject for further discussion and a potential change, in case we all agree on a better solution, therefore consultancy from your side would be highly appreciated.