Examine source code of YesWeHack VDP Finder

{
  "manifest_version": 2,
  "name": "YesWeHack VDP Finder",
  "version": "1.1.2",
  "description": "This extension tells if visited sites have vulnerability disclosure programs",
  "homepage_url": "https://github.com/yeswehack/yeswehack_vdp_finder",
  "icons": {
    "48": "res/images/FF_ext_icon_red-48.png",
    "96": "res/images/FF_ext_icon_red-96.png"
  },
  "browser_action": {
    "default_title": "YesWeHack VDP Finder",
    "default_popup": "popup.html",
    "default_icon": {
      "48": "res/images/FF_ext_icon_gray-48.png",
      "96": "res/images/FF_ext_icon_gray-96.png"
    }
  },
  "background": {
    "scripts": [
      "background-script.js"
    ]
  },
  "permissions": [
    "tabs",
    "<all_urls>"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{6a2c1f2a-15ba-450a-a7e5-13b634e43ee5}"
    }
  }
}