refactor: 重构目录结构统一规范

- shared/ → common/（constant、enums、model）
- framework/cache/config/ → framework/cache/（扁平化）
- framework/integration/captcha/ → framework/captcha/
- config/property/ → 各模块 config/ 下
- interfaces/ → module/（sse、mail、sms）
- 移除冗余枚举 LogModuleEnum

src/main/java/com/youlai/boot/common/model/KeyValue.java

@@ -0,0 +1,30 @@
+package com.youlai.boot.common.model;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+
+/**
+ * 键值对
+ *
+ * @author haoxr
+ * @since 2024/5/25
+ */
+@Schema(description = "键值对")
+@Data
+@NoArgsConstructor
+public class KeyValue {
+
+    public KeyValue(String key, String value) {
+        this.key = key;
+        this.value = value;
+    }
+
+    @Schema(description = "选项的值")
+    private String key;
+
+    @Schema(description = "选项的标签")
+    private String value;
+
+}