Examine source code of Tuck - Read Later

{
  "manifest_version": 3,
  "name": "Tuck - Read Later",
  "version": "1.0",
  "description": "Save articles and read them later. Clean, free, no account needed.",
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    },
    "default_title": "Tuck - Save this article"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "permissions": [
    "storage",
    "unlimitedStorage",
    "activeTab",
    "scripting",
    "contextMenus"
  ],
  "host_permissions": [
    "https://*/*",
    "http://*/*"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "reader/reader.html"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "default": "Alt+T",
        "mac": "Alt+T"
      },
      "description": "Open Tuck"
    },
    "tuck-save": {
      "suggested_key": {
        "default": "Alt+S"
      },
      "description": "Save current page to Tuck"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "tuck@tuckapp",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}