Examine source code of PicWiz Legacy

{
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "author": "github.com/majin-cs",
  "browser_specific_settings": {
    "gecko": {
      "id": "{0056b87c-4d63-458a-8027-59864597e9ca}"
    }
  },
  "version": "1.1.3",
  "default_locale": "en",
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "48": "icons/48.png",
    "96": "icons/96.png",
    "128": "icons/128.png",
    "196": "icons/196.png"
  },
  "browser_action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/16.png",
      "32": "icons/32.png",
      "48": "icons/48.png",
      "96": "icons/96.png",
      "128": "icons/128.png",
      "196": "icons/196.png"
    }
  },
  "commands": {
    "take-screenshot": {
      "suggested_key": {
        "default": "Ctrl+Shift+S",
        "mac": "Command+Shift+S",
        "chromeos": "Ctrl+Shift+S",
        "linux": "Ctrl+Shift+S"
      },
      "description": "__MSG_capture__"
    }
  },
  "options_ui": {
    "page": "options/options.html",
    "open_in_tab": false
  },
  "background": {
    "page": "background/background.html",
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content/content.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "shared/utils.js",
    "shared/constants.js",
    "content/capture.js",
    "content/capture.css"
  ],
  "permissions": [
    "<all_urls>",
    "contextMenus",
    "activeTab",
    "clipboardWrite",
    "notifications",
    "storage",
    "downloads"
  ]
}