Examine source code of ST Graphics

{
  "name": "ST Graphics",
  "version": "1.2.1",
  "description": "Find latest News & top stories about INTERACTIVE GRAPHICS.",
  "manifest_version": 2,
  "icons": {
    "16": "images/st-16.png",
    "32": "images/st-32.png",
    "48": "images/st-48.png",
    "128": "images/st-128.png"
  },
  "chrome_url_overrides": {
    "newtab": "index.html"
  }
}