docs(skills-manager): add skill installation examples for single and batch URLs

plugins/tools/openwebui-skills-manager/README.md

@@ -23,6 +23,21 @@ A standalone OpenWebUI Tool plugin to manage native **Workspace > Skills** for a
    - "Update skill ..."
    - "Delete skill ..."
 
+## Example: Install Skills
+
+This tool can fetch and install skills directly from URLs (supporting GitHub tree/blob, raw markdown, and .zip/.tar archives).
+
+### Install a single skill from GitHub
+
+- "Install skill from <https://github.com/anthropics/skills/tree/main/skills/search_manager>"
+- "Install skill from <https://github.com/Fu-Jie/openwebui-extensions/blob/main/.agent/skills/test-copilot-pipe/SKILL.md>"
+
+### Batch install multiple skills
+
+- "Install these skills: ['https://github.com/anthropics/skills/tree/main/skills/search_manager', 'https://github.com/anthropics/skills/tree/main/skills/guide_writer']"
+
+> **Tip**: For GitHub, the tool automatically resolves directory (tree) URLs by looking for `SKILL.md` or `README.md`.
+
 ## Configuration (Valves)
 
 | Parameter | Default | Description |

plugins/tools/openwebui-skills-manager/README_CN.md

@@ -23,6 +23,21 @@
    - “更新某个 skill ...”
    - “删除某个 skill ...”
 
+## 示例：安装技能 (Install Skills)
+
+该工具支持从 URL 直接抓取并安装技能（支持 GitHub tree/blob 链接、原始 Markdown 链接以及 .zip/.tar 压缩包）。
+
+### 从 GitHub 安装单个技能
+
+- “从 <https://github.com/anthropics/skills/tree/main/skills/search_manager> 安装技能”
+- “安装技能 <https://github.com/Fu-Jie/openwebui-extensions/blob/main/.agent/skills/test-copilot-pipe/SKILL.md”>
+
+### 批量安装多个技能
+
+- “安装这些技能：['https://github.com/anthropics/skills/tree/main/skills/search_manager', 'https://github.com/anthropics/skills/tree/main/skills/guide_writer']”
+
+> **提示**：对于 GitHub 链接，工具会自动处理目录（tree）地址，并尝试查找目录下的 `SKILL.md` 或 `README.md` 文件。
+
 ## 配置参数（Valves）
 
 | 参数 | 默认值 | 说明 |