feat(vpn): add VPN client editing and connected client visibility in ops server

ts_interfaces/data/vpn.ts

@@ -27,6 +27,18 @@ export interface IVpnServerStatus {
   connectedClients: number;
 }
 
+/**
+ * A currently connected VPN client (runtime info from the daemon).
+ */
+export interface IVpnConnectedClient {
+  clientId: string;
+  assignedIp: string;
+  connectedSince: string;
+  bytesSent: number;
+  bytesReceived: number;
+  transport: string;
+}
+
 /**
  * VPN client telemetry data.
  */