Examine source code of ShotBird - Make Better Screenshots

{
  "name": "ShotBird - Scrolling Screenshots",
  "description": "Take scrolling screenshots, turn tweets into images, and edit captures—all in one lightweight extension.",
  "version": "2.0",
  "manifest_version": 3,
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "shotbird@pasteready.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "activeTab",
    "scripting",
    "downloads",
    "unlimitedStorage",
    "storage",
    "tabs"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup.html"
  },
  "commands": {
    "_execute_action": {},
    "capture-fullscreen": {
      "description": "Capture Full Screen"
    },
    "capture-area": {
      "description": "Capture Area"
    },
    "capture-scrolling": {
      "description": "Capture Scrolling Area"
    },
    "open-editor": {
      "description": "Open Editor"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ]
}