Examine source code of Jisho Dictionary Searcher

{
  "manifest_version": 2,
  "name": "Jisho Searcher",
  "version": "1.1",
  "description": "Opens a Jisho Dictionary pop up on the selected text.",
  "permissions": [
    "contextMenus",
    "activeTab"
  ],
  "browser_action": {
    "default_icon": "jisho-16.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "16": "jisho-16.png"
  },
  "author": "rui",
  "browser_specific_settings": {
    "gecko": {
      "id": "jisho-searcher@rui",
      "strict_min_version": "115.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}