Examine source code of CF Magic Randomizer

{
  "name": "CF Magic Randomizer",
  "version": "1.0.4",
  "description": "Randomizes title/color of codeforces users",
  "manifest_version": 3,
  "author": "aryanc403",
  "icons": {
    "48": "assests/icon-48.png",
    "96": "assests/icon-96.png",
    "128": "assests/icon-128.png"
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [],
  "content_scripts": [
    {
      "matches": [
        "*://*.codeforces.com/*"
      ],
      "js": [
        "src/content/content_script.js"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "src/*"
      ],
      "matches": [
        "*://*.codeforces.com/*"
      ],
      "extension_ids": []
    }
  ],
  "options_ui": {
    "page": "src/options/options.html"
  },
  "action": {
    "default_icon": "assests/icon-128.png",
    "default_title": "CF Magic Randomizer",
    "default_popup": "src/popup/popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7b5afc7e-1e73-482a-bfb6-5300e1f5ffbc}"
    }
  }
}