Examine source code of wolkenpinsel

{
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "manifest_version": 2,
  "name": "__MSG_extName__",
  "description": "Colorize your cloud dashboards",
  "default_locale": "en",
  "permissions": [
    "storage"
  ],
  "icons": {
    "16": "icons/logo_colors_16.png",
    "48": "icons/logo_colors_48.png",
    "128": "icons/logo_colors_128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://console.cloud.google.com/*"
      ],
      "js": [
        "js/content-script.js"
      ]
    }
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "wolkenpinsel@ture.dev"
    }
  },
  "version": "1.0.0"
}