Examine source code of Coder Search

{
  "name": "Coder Search",
  "description": "Search MDN, CSS Tricks and other developer resources directly from your curent page",
  "version": "1.1.1",
  "manifest_version": 2,
  "content_scripts": [
    {
      "matches": [
        "file:///popup*"
      ],
      "js": [
        "js/main.js"
      ]
    }
  ],
  "browser_action": {
    "default_icon": "apple-touch-icon.png",
    "default_popup": "popup.html"
  },
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+F"
      }
    }
  }
}