Examine source code of ReplyFlowX

{
  "manifest_version": 2,
  "name": "ReplyFlowX",
  "description": "ReplyFlowX - Quickly insert templates into your emails and messages.",
  "version": "1.3.15",
  "permissions": [
    "<all_urls>",
    "activeTab",
    "menus",
    "storage",
    "downloads",
    "notifications"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "all_frames": true
    }
  ],
  "background": {
    "scripts": [
      "contextMenus.js",
      "background.js",
      "contentScriptInjector.js"
    ],
    "persistent": true
  },
  "web_accessible_resources": [
    "content.js",
    "lib/quill.min.js",
    "lib/quill.snow.css",
    "Sortable.min.js",
    "icons/chevron-double-down.svg",
    "icons/chevron-double-up.svg",
    "ckeditor-bridge.js"
  ],
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "130.0",
      "id": "{504ba495-8b72-4707-9171-92013bd03b83}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "browser_action": {
    "default_icon": {
      "16": "icons/icon-16.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "content_security_policy": "script-src 'self'; object-src 'self'"
}