Examine source code of Canvalier

{
  "manifest_version": 3,
  "name": "Canvalier",
  "version": "1.0.1",
  "description": "Supercharge your Canvas dashboard!",
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://*.instructure.com/*"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    },
    "default_title": "Canvalier"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.instructure.com/*"
      ],
      "js": [
        "modules/options-panel.js",
        "modules/popover-modifications.js",
        "modules/assignment-manager.js",
        "modules/dark-mode.js",
        "content.js"
      ],
      "css": [
        "styles.css",
        "dark-mode.css"
      ],
      "run_at": "document_start"
    }
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "icons/*.png",
        "modules/*.js"
      ],
      "matches": [
        "https://*.instructure.com/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "@canvalier",
      "strict_min_version": "58.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}