Examine source code of CourseCast

{
  "manifest_version": 3,
  "name": "CourseCast",
  "version": "2.2.2",
  "description": "Automatic grade tracking for Brightspace and Canvas",
  "permissions": [
    "storage",
    "alarms",
    "scripting"
  ],
  "host_permissions": [
    "*://*.brightspace.com/*",
    "*://*.d2l.com/*",
    "*://*.kennesaw.edu/*",
    "*://*.view.usg.edu/*",
    "*://*.instructure.com/*",
    "https://v2.coursecast.org/*"
  ],
  "optional_host_permissions": [
    "https://*.brightspace.com/*",
    "https://*.desire2learn.com/*",
    "https://*.view.usg.edu/*",
    "https://*.instructure.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.brightspace.com/*",
        "*://*.d2l.com/*",
        "*://*.kennesaw.edu/*",
        "*://*.view.usg.edu/*",
        "*://*.instructure.com/*"
      ],
      "js": [
        "lib/valence.js",
        "lib/canvas.js",
        "lib/storage.js",
        "lib/sync.js",
        "content.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://v2.coursecast.org/*"
      ],
      "js": [
        "auth-bridge.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "CourseCast",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "coursecast@coursecast.org",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "personallyIdentifyingInfo",
          "financialAndPaymentInfo"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}