message: add respository to lambda fn
diff: "version": "1.0.0",
  "description": "this is an unreliable lambda with a circuit breaker",
  "main": "unreliable.js",
  + "repository": "https://github.com/cdk-patterns/serverless.git",
  "scripts": {
  "build": "tsc unreliable.ts",
  "test": "echo \"Error: no test specified\" && exit 1"
  