Examine source code of Reddit Raw Image Opener

{
  "manifest_version": 2,
  "name": "Reddit Raw Image Opener",
  "version": "1.0.4",
  "description": "Opens Reddit-hosted image links directly instead of Reddit's /media image viewer page.",
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "https://reddit.com/media*",
    "https://*.reddit.com/media*",
    "https://i.redd.it/*",
    "https://preview.redd.it/*",
    "https://cf.preview.redd.it/*",
    "https://external-preview.redd.it/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a5f1b301-e0ce-4c70-a83c-37b2cd0fc5a8}",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}