Examine source code of DataScouts web extension

{
  "manifest_version": 2,
  "name": "DataScouts web extension",
  "short_name": "DataScouts",
  "version": "1.0.22",
  "browser_action": {
    "default_title": "datascouts-web-extension",
    "default_popup": "popup/popup.html"
  },
  "permissions": [
    "storage",
    "activeTab",
    "tabs",
    "scripting",
    "http://*.datascouts.test/*",
    "https://*.datascouts.eu/*",
    "https://data.startups.be/*",
    "https://data.forwardfooding.com/*",
    "https://vaud.digital/*",
    "https://makersplatform.gent/*",
    "http://ellieconnect.com/*",
    "https://startupmap.gent/*",
    "https://intelligence.area42.tech/*",
    "https://wearsustain.eu/*",
    "https://opencreatives.gent/*",
    "https://navigator.agrifood.network/*",
    "https://platform.s4fashion.eu/*"
  ],
  "content_security_policy": "script-src 'self'; object-src 'self';",
  "icons": {
    "48": "icons/icon_48.png",
    "128": "icons/icon_128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{106ca6d2-53d0-41ca-987b-f67b8ae03530}"
    }
  }
}