docs: add LTools to showcase (#5099)

* docs: add LTools to showcase

Add LTools - a plugin-based cross-platform desktop toolbox
built with Wails v3, featuring global search, clipboard manager,
screenshot tool, JSON editor, and more.

* docs: 根据 review 反馈添加 description 字段和措辞优化

Author: lian-yang

docs/src/assets/showcase-images/ltools.webp

@@ -57,6 +57,11 @@ Check out the
       href: "/community/showcase/hiposter",
       title: "hiposter",
     },
+    {
+      thumbnail: import("../../../../assets/showcase-images/ltools.webp"),
+      href: "/community/showcase/ltools",
+      title: "LTools",
+    },
     {
       thumbnail: import("../../../../assets/showcase-images/mchat.png"),
       href: "/community/showcase/mchat",

docs/src/content/docs/community/showcase/index.mdx

@@ -0,0 +1,10 @@
+---
+title: LTools
+description: "A plugin-based cross-platform desktop toolbox built with Wails v3"
+---
+
+![LTools](../../../../assets/showcase-images/ltools.webp)
+
+[LTools](https://github.com/lian-yang/ltools) is a plugin-based cross-platform desktop toolbox built with Wails v3, inspired by uTools. It provides a unified hub of developer utilities through a modular plugin architecture.
+
+It features a global search bar (Spotlight-style), system tray integration, and built-in plugins including clipboard manager, screenshot tool with annotation, JSON editor, calculator, system monitor, and more. New tools can be added through its extensible plugin system.