feat: add zh-hans readme

Author: ikesnowy

README.md

@@ -1,3 +1,5 @@
+English | [简体中文](README.zh-Hans.md)
+
 # Cnblogs.DashScopeSDK
 
 An unofficial DashScope SDK maintained by Cnblogs.
@@ -44,8 +46,14 @@ public class YourService(IDashScopeClient client)
 }
 ```
 
-# Supported API
-
-- Text Embedding API
-- Text Generation API(qwen-turbo, qwen-max, etc.)
-- Multimodal Generation API(qwen-vl-max, etc.)
+# Supported APIs
+
+- Text Embedding API - `dashScopeClient.GetTextEmbeddingsAsync()`
+- Text Generation API(qwen-turbo, qwen-max, etc.) - `dashScopeClient.GetQwenCompletionAsync()` and `dashScopeClient.GetQWenCompletionStreamAsync()`
+- BaiChuan Models - Use `dashScopeClient.GetBaiChuanTextCompletionAsync()`
+- LLaMa2 Models - `dashScopeClient.GetLlama2TextCompletionAsync()`
+- Multimodal Generation API(qwen-vl-max, etc.) - `dashScopeClient.GetQWenMultimodalCompletionAsync` and `dashScopeClient.GetQWenMultimodalCompletionStreamAsync`
+- Wanx Models(Image generation, background generation, etc)
+  - Image Synthesis - `CreateWanxImageSynthesisTaskAsync()` and `GetWanxImageSynthesisTaskAsync()`
+  - Image Generation - `CreateWanxImageGenerationTaskAsync` and `GetWanxImageGenerationTaskAsync()`
+  - Background Image Generation - `CreateWanxBackgroundGenerationTaskAsync` and `GetWanxBackgroundGenerationTaskAsync`

README.zh-Hans.md

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+[English](README.md) | 简体中文
+
+# Cnblogs.DashScopeSDK
+
+由博客园维护并使用的非官方灵积服务 SDK
+
+# 使用方法
+
+## 控制台应用
+
+安装 NuGet 包 `Cnblogs.DashScope.Sdk`。
+
+```csharp
+var client = new DashScopeClient("your-api-key");
+var completion = await client.GetQWenCompletionAsync(QWenLlm.QWenMax, prompt);
+Console.WriteLine(completion.Output.Text);
+```
+
+## ASP.NET Core 应用
+
+安装 NuGet 包 `Cnblogs.DashScope.AspNetCore`。
+
+`Program.cs`
+```csharp
+builder.AddDashScopeClient(builder.Configuration);
+```
+
+`appsettings.json`
+```json
+{
+    "DashScope": {
+        "ApiKey": "your-api-key"
+    }
+}
+```
+
+应用类中
+```csharp
+public class YourService(IDashScopeClient client)
+{
+    public async Task<string> CompletePromptAsync(string prompt)
+    {
+       var completion = await client.GetQWenCompletionAsync(QWenLlm.QWenMax, prompt);
+       return completion.Output.Text;
+    }
+}
+```
+
+# 支持的 API
+
+- 通用文本向量 - `dashScopeClient.GetTextEmbeddingsAsync()`
+- 通义千问（`qwen-turbo`， `qwen-max` 等） - `dashScopeClient.GetQwenCompletionAsync()` and `dashScopeClient.GetQWenCompletionStreamAsync()`
+- 百川开源大模型 - Use `dashScopeClient.GetBaiChuanTextCompletionAsync()`
+- LLaMa2 大语言模型 - `dashScopeClient.GetLlama2TextCompletionAsync()`
+- 通义千问 VL 和通义千问 Audio(`qwen-vl-max`， `qwen-audio`) - `dashScopeClient.GetQWenMultimodalCompletionAsync` and `dashScopeClient.GetQWenMultimodalCompletionStreamAsync`
+- 通义万相系列
+    - 文生图 - `CreateWanxImageSynthesisTaskAsync()` and `GetWanxImageSynthesisTaskAsync()`
+    - 人像风格重绘 - `CreateWanxImageGenerationTaskAsync` and `GetWanxImageGenerationTaskAsync()`
+    - 图像背景生成 - `CreateWanxBackgroundGenerationTaskAsync` and `GetWanxBackgroundGenerationTaskAsync`