connections page: update API, combine opnsense data with db data

src/lib/connections.ts

@@ -0,0 +1,10 @@
+export type ConnectionDetails = {
+	deviceId: number;
+	deviceName: string;
+	devicePublicKey: string;
+	deviceIps: string[];
+	endpoint: string;
+	transferRx: number;
+	transferTx: number;
+	latestHandshake: number;
+};