feat: generalize examples

examples/getClient.js

@@ -0,0 +1,21 @@
+'use strict';
+
+const { Client, fsKeysStorage } = require('../index');
+
+const loadConfig = require('./loadConfig');
+
+module.exports = ({
+	serverAddress,
+	partnerId,
+	userId,
+	hostId,
+	passphrase,
+	keyStoragePath,
+} = loadConfig()) => new Client({
+	serverAddress,
+	partnerId,
+	userId,
+	hostId,
+	passphrase,
+	keyStorage: fsKeysStorage(keyStoragePath),
+});