マストドンの画像全部表示するやつ

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "__MSG_appName__",
  "version": "0.0.6",
  "manifest_version": 2,
  "description": "ひたすら画像クリックするシューティングゲームに疲れた貴方に",
  "icons": {
    "16": "images/icon-16.png",
    "128": "images/icon-128.png"
  },
  "default_locale": "ja",
  "permissions": [
    "*://pawoo.net/*",
    "*://mstdn.jp/*",
    "*://friends.nico/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://pawoo.net/*",
        "*://mstdn.jp/*",
        "*://friends.nico/*"
      ],
      "js": [
        "scripts/jquery-2.2.4.min.js",
        "scripts/contentscript.js"
      ],
      "run_at": "document_end",
      "all_frames": false
    }
  ]
}