Update README files to promote Fastforge for easier app distribution

Author: lijy91

README-ZH.md

@@ -12,6 +12,8 @@
 
 这个插件允许 Flutter 桌面应用调整窗口的大小和位置。
 
+> **🚀 快速发布您的应用**: 试试 [Fastforge](https://fastforge.dev) - 构建、打包和分发您的 Flutter 应用最简单的方式。
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 [English](./README.md) | 简体中文

README.md

@@ -13,6 +13,8 @@
 
 This plugin allows Flutter desktop apps to resizing and repositioning the window.
 
+> **🚀 Ship Your App Faster**: Try [Fastforge](https://fastforge.dev) - The simplest way to build, package and distribute your Flutter apps.
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 English | [简体中文](./README-ZH.md)