add client info page

src/lib/clients.ts

@@ -0,0 +1,33 @@
+import type { ClientDetails } from '$lib/types/clients';
+
+/**
+ * Convert client details to WireGuard configuration.
+ *
+ * ```conf
+ * [Interface]
+ * PrivateKey = wPa07zR0H4wYoc1ljfeiqlSbR8Z28pPc6jplwE7zPms=
+ * Address = 10.18.11.100/32,fd00::1/128
+ * DNS = 10.18.11.1,fd00::0
+ *
+ * [Peer]
+ * PublicKey = BJ5faPVJsDP4CCxNYilmKnwlQXOtXEOJjqIwb4U/CgM=
+ * PresharedKey = uhZUVqXKF0oayP0BS6yPu6Gepgh68Nz9prtbE5Cuok0=
+ * Endpoint = vpn.lab.cazzzer.com:51820
+ * AllowedIPs = 0.0.0.0/0,::/0
+ * ```
+ * @param client
+ */
+export function clientDetailsToConfig(client: ClientDetails): string {
+	return `\
+[Interface]
+PrivateKey = ${client.privateKey}
+Address = ${client.ips.join(', ')}
+DNS = ${client.vpnDns}
+
+[Peer]
+PublicKey = ${client.vpnPublicKey}
+PresharedKey = ${client.preSharedKey}
+Endpoint = ${client.vpnEndpoint}
+AllowedIPs = 0.0.0.0/0,::/0
+`;
+}