Examine source code of College Confetti

{
  "name": "CollegeConfetti",
  "description": "Admission Letter Stress Be Gone!",
  "version": "1.0.3resigned1",
  "icons": {
    "48": "48.png",
    "128": "128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "http://*.edu/*",
        "https://*.edu/*"
      ],
      "js": [
        "jquery.js",
        "content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "permissions": [
    "http://*.edu/*",
    "https://*.edu/*"
  ],
  "web_accessible_resources": [
    "music/soundtrack1.mp3",
    "music/soundtrack2.mp3",
    "music/soundtrack3.mp3",
    "music/soundtrack4.mp3",
    "music/soundtrack5.mp3"
  ],
  "author": "Eric Qian",
  "homepage_url": "https://bananiumlabs.com",
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{9481de12-1e0f-44ee-829f-8957ad504978}"
    }
  }
}