Examine source code of BlabLing: Learn German

{
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "BlabLing German (Beta)"
  },
  "content_scripts": [
    {
      "css": [
        "blabl_txt.css"
      ],
      "js": [
        "dicEnDe.js",
        "blablPage.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "description": "Learn German by surfing the web in English",
  "browser_specific_settings": {
    "gecko": {
      "id": "blabling@blabling.mozilla",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "strict_min_version": "140.0"
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "homepage_url": "https://sites.google.com/view/blabling",
  "icons": {
    "16": "blaBling_16.png",
    "32": "blaBling_32.png",
    "48": "blaBling_48.png",
    "128": "blaBling_128.png"
  },
  "manifest_version": 2,
  "name": "BlabLing - learning German by surfing (Beta)",
  "options_ui": {
    "page": "blablSetup.html"
  },
  "permissions": [
    "activeTab",
    "storage"
  ],
  "version": "0.0.0.3"
}