Add cli responder util, update package

bin/responder.js

+#!/usr/bin/env node
+
+const config = require('config')
+
+const main = function (config) {
+  let service
+  switch (process.argv[2]) {
+    case 'service.conversion':
+      const ConversionService = require('../src/lib/responders/conversion')
+      service = new ConversionService(config.conversion)
+      break
+
+    case 'service.metadata':
+      const MetadataService = require('../src/lib/responders/metadata')
+      service = new MetadataService(config.metadata, config.apiKeys)
+      break
+
+    default:
+      service = null
+  }
+
+  return service
+}
+
+main(config)

package.json

@@ -3,6 +3,9 @@
   "version": "1.0.0",
   "description": "Media transcoding API",
   "main": "src/index.js",
+  "bin": {
+    "mb-responder": "./bin/responder.js"
+  },
   "scripts": {
     "lint": "eslint src/. --config .eslintrc.js",
     "metapak": "metapak",