Examine source code of -glish

{
  "name": "-glish",
  "version": "1.5",
  "browser_specific_settings": {
    "gecko": {
      "id": "glish@jsvan"
    }
  },
  "description": "Vocab learner with common foreign words injected into your english websites.",
  "permissions": [
    "storage",
    "tabs"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://*/*",
        "http://*/*"
      ],
      "js": [
        "src/translate.js"
      ],
      "css": [
        "src/hoverover.css"
      ],
      "run_at": "document_end"
    }
  ],
  "action": {
    "default_popup": "src/popup.html",
    "default_title": "-glish",
    "default_icon": {
      "16": "images/-g16.png",
      "32": "images/-g32.png",
      "48": "images/-g48.png",
      "128": "images/-g128.png"
    }
  },
  "background": {
    "scripts": [
      "src/background.js"
    ]
  },
  "icons": {
    "16": "images/-g16.png",
    "32": "images/-g32.png",
    "48": "images/-g48.png",
    "128": "images/-g128.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "external/KoFi.js",
        "updated_langauge_packs/available_languages.txt",
        "updated_language_packs/*.txt"
      ],
      "matches": [
        "https://*/*"
      ]
    }
  ],
  "manifest_version": 3
}