Examine source code of Chrome Emacs

{
  "name": "__MSG_appName__",
  "short_name": "__MSG_appShortName__",
  "version": "1.2.0",
  "manifest_version": 3,
  "minimum_chrome_version": "116",
  "description": "__MSG_appDescription__",
  "browser_specific_settings": {
    "gecko": {
      "id": "chrome-emacs@karimaziiev"
    }
  },
  "icons": {
    "16": "images/icon-16.png",
    "19": "images/icon-19.png",
    "128": "images/icon-128.png"
  },
  "default_locale": "en",
  "background": {
    "scripts": [
      "scripts/service-worker.js"
    ]
  },
  "action": {
    "default_icon": {
      "19": "images/icon-19-inactive.png",
      "38": "images/icon-38-inactive.png"
    },
    "default_title": "Chrome Emacs"
  },
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "default": "Ctrl+Period",
        "mac": "Command+Period",
        "linux": "Ctrl+Period"
      },
      "description": "Edit currently focused element"
    },
    "query-edit": {
      "suggested_key": {
        "default": "Ctrl+Shift+Period",
        "mac": "Command+Shift+Period",
        "linux": "Ctrl+Shift+Period"
      },
      "description": "Select and edit element"
    }
  },
  "permissions": [
    "activeTab",
    "scripting",
    "storage",
    "tabs",
    "alarms",
    "contextMenus"
  ],
  "host_permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "scripts/injected.js",
        "scripts/click-error.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ]
    }
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "content_security_policy": {
    "extension_pages": "default-src 'self'; connect-src http://localhost:64292 ws://localhost:64292;"
  }
}