Creating an external file to hold our data

Let's create a data.json file, which will hold fake data regarding how often job posts require certain skills. This should be the contents of the file:

[
  {
    "name": "HTML",
    "count": 21
  },
  {
    "name": "CSS",
    "count": 17
  },
  {
    "name": "Responsive Web Design",
    "count": 17
  },
  {
    "name": "JavaScript",
    "count": 17
  },
  {
    "name": "Git",
    "count": 16
  },
  {
    "name": "Angular.js",
    "count": 9
  },
  {
    "name": "Node.js",
    "count": 9
  },
  {
    "name": "PostgreSQL",
    "count": 8
  },
  {
    "name": "Agile Project Management...