Examine source code of Lightshot Creep

{
  "description": "Opens a random lightshot page",
  "manifest_version": 2,
  "name": "Lightshot Creep",
  "version": "1.0",
  "icons": {
    "48": "icons/light-weight.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": "icons/light-weight.png"
  },
  "commands": {
    "reload": {
      "suggested_key": {
        "default": "Alt+G"
      },
      "description": "Load a new shot!"
    }
  }
}