Examine source code of Easy Scheduler

{
  "name": "Easy Scheduler",
  "version": "2.4",
  "description": "Adds the functionality of obtaining the best deadline release and due dates based on student workload of other courses.",
  "icons": {
    "512": "assets/logo.jpg"
  },
  "manifest_version": 2,
  "content_scripts": [
    {
      "matches": [
        "https://classroom.google.com/*"
      ],
      "js": [
        "js/globals.js",
        "js/classroom/suggestions.js",
        "js/classroom/get_suggestions.js",
        "js/classroom/suggestions_popup.js",
        "js/classroom/free_alert.js",
        "js/classroom/quiz_detection.js",
        "js/classroom/main.js"
      ],
      "css": [
        "css/classroom-styles.css"
      ]
    },
    {
      "css": [
        "./css/backpack-styles.css"
      ],
      "js": [
        "js/globals.js",
        "js/backpack/content.js",
        "js/backpack/background.js",
        "js/backpack/main.js"
      ],
      "matches": [
        "https://www.usebackpack.com/*"
      ],
      "run_at": "document_end"
    }
  ],
  "web_accessible_resources": [
    "assets/bell.gif",
    "assets/loading.gif"
  ],
  "permissions": [
    "<all_urls>"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{5f043306-df2c-4c9e-895b-7afaf2740510}"
    }
  }
}