Examine source code of Shorts Deflector

{
  "action": {
    "default_popup": "./index.html",
    "default_icon": {
      "16": "./assets/icon.svg",
      "48": "./assets/icon.svg",
      "128": "./assets/icon.svg"
    }
  },
  "author": "Attituding",
  "background": {
    "page": "./background.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "shortsdeflector@addons.com",
      "strict_min_version": "113.0"
    }
  },
  "declarative_net_request": {
    "rule_resources": [
      {
        "id": "shorts",
        "enabled": true,
        "path": "./netRequestRule.json"
      }
    ]
  },
  "default_locale": "en",
  "description": "__MSG_extensionDescription__",
  "host_permissions": [
    "https://www.youtube.com/*"
  ],
  "icons": {
    "16": "./assets/icon.svg",
    "48": "./assets/icon.svg",
    "128": "./assets/icon.svg"
  },
  "manifest_version": 3,
  "name": "Shorts Deflector",
  "optional_permissions": [
    "*://*/*"
  ],
  "permissions": [
    "declarativeNetRequestWithHostAccess",
    "scripting",
    "storage",
    "webNavigation"
  ],
  "version": "1.17.0"
}