manifest.json

{
  "manifest_version": 3,
  "name": "__MSG_appName__",
  "description": "__MSG_appDesc__",
  "default_locale": "en",
  "version": "1.2.1",
  "version_name": "1.2.1",
  "permissions": [],
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": ["content-script.js"],
      "run_at": "document_start"
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "images/BDB-ICON16.png",
      "32": "images/BDB-ICON32.png",
      "48": "images/BDB-ICON48.png",
      "128": "images/BDB-ICON128.png"
    }
  },
  "web_accessible_resources": [
    {
      "resources": [ "block-script.js" ],
      "matches": [ "https://*/*", "http://*/*" ]
    }
  ],
  "icons": {
    "16": "images/BDB-ICON16.png",
    "32": "images/BDB-ICON32.png",
    "48": "images/BDB-ICON48.png",
    "128": "images/BDB-ICON128.png",
    "256": "images/BDB-ICON256.png",
    "512": "images/BDB-ICON512.png"
  }
}