aggregate client for daptin endpoint plus test setup

Author: artpar

babel.config.js

@@ -0,0 +1,10 @@
+module.exports = {
+  'presets': [
+    ['@babel/preset-env', { 'targets': { 'node': 'current' } }],
+    '@babel/preset-typescript',
+  ],
+  'plugins': [
+    '@babel/plugin-transform-modules-commonjs',
+    'babel-plugin-transform-import-meta',
+  ],
+}