Examine source code of Fixito - Fix Wrong-Keyboard Typing

{
  "manifest_version": 2,
  "name": "Fixito - Fix Wrong-Keyboard Typing",
  "version": "1.0.0",
  "description": "Typed with the wrong keyboard language on? Select the text, right-click, fixed. Reverses your language ↔ English.",
  "browser_specific_settings": {
    "gecko": {
      "id": "wrong-keyboard-fixer@gilasgar-mansour",
      "strict_min_version": "115.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "48": "icons/icon.svg",
    "96": "icons/icon.svg"
  },
  "permissions": [
    "contextMenus",
    "storage",
    "activeTab",
    "clipboardWrite"
  ],
  "optional_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "common.js",
      "background.js"
    ]
  },
  "commands": {
    "wkf-fix-selection": {
      "suggested_key": {
        "default": "Ctrl+Shift+U"
      },
      "description": "Fix the selected text's keyboard layout"
    }
  },
  "browser_action": {
    "default_title": "Fixito",
    "default_popup": "popup/popup.html",
    "default_icon": "icons/icon.svg"
  },
  "options_ui": {
    "page": "options/options.html",
    "open_in_tab": false
  },
  "web_accessible_resources": [
    "icons/icon.svg"
  ]
}