Examine source code of Seneca Answers

{
  "manifest_version": 2,
  "name": "Seneca Answers",
  "version": "2.0.1",
  "description": "Web extension to get the answers to SenecaLearning lessons",
  "permissions": [
    "webRequest",
    "https://*.senecalearning.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://app.senecalearning.com/*"
      ],
      "css": [
        "overlay.css"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "icons": {
    "192": "icons/icon-192.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{9a87274a-e4cf-41e2-a72e-c141fbaa2bdb}"
    }
  }
}