Examine source code of Studygo++

{
  "manifest_version": 2,
  "name": "Studygo++",
  "version": "1.0",
  "description": "maak studygo beter.",
  "icons": {
    "48": "logo.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://studygo.com/**"
      ],
      "js": [
        "studygo.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{9242675f-6ad1-4c31-a43c-5d695f6e5418}"
    }
  }
}