Examine source code of Qsirch Helper

{
  "name": "__MSG_appName__",
  "version": "1.5.2.4",
  "manifest_version": 3,
  "description": "__MSG_appDescription__",
  "icons": {
    "16": "icons/icon-16.png",
    "128": "icons/icon-128.png"
  },
  "default_locale": "en",
  "options_ui": {
    "page": "options/options.html"
  },
  "background": {
    "scripts": [
      "background/background.js"
    ]
  },
  "action": {
    "default_icon": {
      "19": "icons/icon-19.png",
      "38": "icons/icon-38.png"
    },
    "default_title": "__MSG_appName__",
    "default_popup": "index.html"
  },
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "default": "Alt+Shift+Q",
        "windows": "Alt+Shift+Q",
        "mac": "Alt+Shift+Q"
      }
    }
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "exclude_matches": [
        "http://*/qsirch*",
        "https://*/qsirch*"
      ],
      "js": [
        "inject/js/contentscript.js"
      ],
      "run_at": "document_end",
      "all_frames": false
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "options/options.html",
        "inject/frame.html",
        "inject/js/contentscript.js"
      ],
      "matches": [
        "*://*/*"
      ]
    }
  ],
  "permissions": [
    "identity",
    "contextMenus",
    "storage"
  ],
  "host_permissions": [
    "https://*/*",
    "http://*/*"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; connect-src *;"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "@qsirch_helper",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}