Examine source code of Repl.it Classroom Export Tool

{
  "manifest_version": 2,
  "name": "Repl.it Classroom Export Tool",
  "version": "1.0.3",
  "icons": {
    "16": "assets/icons/favicon-16.png",
    "32": "assets/icons/favicon-32.png",
    "48": "assets/icons/favicon-48.png",
    "128": "assets/icons/favicon-128.png"
  },
  "description": "Export all of your Repl.it Classroom data, including assignments, auto-grading configurations, submissions, and students instantly",
  "homepage_url": "https://codingrooms.com/replit-classroom-export-tool/",
  "short_name": "Repl.it Classroom Export Tool",
  "permissions": [
    "activeTab"
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "author": "Coding Rooms",
  "applications": {
    "gecko": {
      "id": "{52cbd545-5f3c-4146-87af-779dace09da1}"
    }
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "assets/icons/favicon-16.png",
      "32": "assets/icons/favicon-32.png",
      "48": "assets/icons/favicon-48.png",
      "128": "assets/icons/favicon-128.png"
    },
    "default_title": "Repl.it Classroom Export Tool",
    "browser_style": false
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "background": {
    "scripts": [
      "js/background.bundle.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "http://repl.it/*",
        "https://repl.it/*",
        "http://*.repl.it/*",
        "https://*.repl.it/*"
      ],
      "js": [
        "js/contentScript.bundle.js"
      ]
    }
  ]
}