Fixed repo url in package.json. Closes auth0-blog#13

Author: chenkie

package.json

@@ -8,12 +8,9 @@
  },
  "repository": {
  "type": "git",
- "url": "https://github.com/auth0/in-memory-todo.git"
+ "url": "https://github.com/auth0/nodejs-jwt-authentication-sample.git"
  },
  "keywords": [
- "todo",
- "in",
- "memory",
  "jwt",
  "auth0"
  ],