feat: 初始化小米 IoT (MIoT) 智能家居 Go 库

- 实现 MIoT 客户端核心功能（MQTT 连接、设备管理、属性读写）
- 支持云端 API 调用与局域网设备发现（mDNS）
- 集成国际化（i18n）多语言支持
- 添加 MIoT 设备规约解析器（spec_parser）
- 包含单元测试与使用示例

miot/web_pages.go

@@ -0,0 +1,27 @@
+// Package miot provides MIoT core client for Xiaomi Home devices.
+// This file is a direct port of py-miot/web_pages.py.
+package miot
+
+import (
+	_ "embed"
+	"strings"
+)
+
+//go:embed resource/oauth_redirect_page.html
+var oauthRedirectTemplate string
+
+// OAuthRedirectPage returns the OAuth redirect page HTML.
+// Replaces TITLE_PLACEHOLDER, CONTENT_PLACEHOLDER, BUTTON_PLACEHOLDER,
+// and STATUS_PLACEHOLDER in the embedded template.
+func OAuthRedirectPage(title, content, button string, success bool) string {
+	status := "false"
+	if success {
+		status = "true"
+	}
+	html := oauthRedirectTemplate
+	html = strings.Replace(html, "TITLE_PLACEHOLDER", title, 1)
+	html = strings.Replace(html, "CONTENT_PLACEHOLDER", content, 1)
+	html = strings.Replace(html, "BUTTON_PLACEHOLDER", button, 1)
+	html = strings.Replace(html, "STATUS_PLACEHOLDER", status, 1)
+	return html
+}