Examine source code of Due Dates

{
  "manifest_version": 2,
  "name": "Deadline Scraper",
  "version": "1.0",
  "description": "Scrapes deadlines from Gradescope and PrairieLearn.",
  "permissions": [
    "storage",
    "activeTab",
    "notifications",
    "alarms",
    "tabs",
    "*://*.gradescope.com/*",
    "*://*.prairielearn.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_popup": "ui/popup.html",
    "default_icon": "icons/icon48.png",
    "default_title": "Upcoming Deadlines"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.prairielearn.com/*assessments*"
      ],
      "js": [
        "content-scripts/scrape-prairielearn.js"
      ]
    },
    {
      "matches": [
        "*://*.gradescope.com/courses/*"
      ],
      "js": [
        "content-scripts/scrape-gradescope.js"
      ]
    }
  ],
  "options_ui": {
    "page": "ui/options.html",
    "open_in_tab": false
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1a6a66c5-5271-4a8d-ae1a-ffea635410ec}"
    }
  }
}