Examine source code of Pocketly

{
  "manifest_version": 3,
  "name": "Pocketly",
  "version": "3.1",
  "description": "Pockety.app : Easily input the words and phrases you encounter while browsing the web into your account.",
  "permissions": [],
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "action": {
    "default_popup": "popup/splash/splash_page.html",
    "default_icon": {
      "16": "res/icon16.webp",
      "48": "res/icon48.webp",
      "128": "res/icon128.webp"
    }
  },
  "content_scripts": [
    {
      "all_frames": true,
      "match_about_blank": true,
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "res/*",
        "popup/*"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "extension@pocketlyapp.com",
      "strict_min_version": "109.0"
    }
  }
}