Examine source code of Easy Screenshot - a Web Clipper

{
  "name": "Easy Screenshot - a Web Clipper",
  "description": "__MSG_description__",
  "default_locale": "en",
  "version": "0.5.4",
  "manifest_version": 3,
  "permissions": [
    "contextMenus",
    "activeTab",
    "scripting",
    "downloads",
    "notifications",
    "storage",
    "debugger"
  ],
  "host_permissions": [
    "*://webbrowsertools.com/jspaint/pwa/build/*"
  ],
  "offline_enabled": true,
  "background": {
    "service_worker": "worker.js",
    "scripts": [
      "ceds.js",
      "worker.js"
    ]
  },
  "homepage_url": "https://webextension.org/listing/screenshot.html",
  "icons": {
    "16": "data/icons/16.png",
    "20": "data/icons/20.png",
    "24": "data/icons/24.png",
    "32": "data/icons/32.png",
    "48": "data/icons/48.png",
    "64": "data/icons/64.png",
    "128": "data/icons/128.png",
    "256": "data/icons/256.png",
    "512": "data/icons/512.png"
  },
  "options_ui": {
    "page": "data/options/index.html"
  },
  "action": {
    "default_popup": "data/popup/index.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://webbrowsertools.com/jspaint/pwa/build/*"
      ],
      "js": [
        "data/inject/connect.js"
      ],
      "run_at": "document_start",
      "all_frames": false
    }
  ],
  "commands": {
    "_execute_action": {},
    "capture-visual": {
      "description": "Capture Visual Part"
    },
    "capture-portion": {
      "description": "Capture a Portion"
    },
    "capture-entire": {
      "description": "Capture Entire Screen (steps)"
    },
    "capture-entire-debugger": {
      "description": "Capture Entire Screen (debugger)"
    },
    "capture-entire-debugger-steps": {
      "description": "Capture Entire Screen (debugger + steps)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{79ae10fd-30c6-41b5-918c-5865ea0c0dfc}",
      "strict_min_version": "128.0"
    }
  }
}