feat(storage): 集成 MinIO 存储系统并支持用户签名功能

- 添加 MinIO 配置和依赖项，包括 minio、okhttp、okio 和 kotlin 库
- 创建通用文件服务接口和实现，支持文件上传到 MinIO 并记录元数据
- 添加用户签名服务接口和数据库表结构，支持签名文件管理
- 修改用户服务以支持签名文件上传，在新增和更新用户时可上传签名文件
- 实现文件预览服务测试用例的注释调整
- 创建 SysFile 和 SysUserSignature 数据库实体及对应常量类
- 实现 MinIO 存储组件，提供文件上传、下载和删除功能
- 在用户实体中添加签名相关字段用于展示签名信息

entrance/pom.xml

@@ -46,6 +46,23 @@
             <artifactId>user</artifactId>
             <version>1.0.0</version>
         </dependency>
+        <dependency>
+            <groupId>io.minio</groupId>
+            <artifactId>minio</artifactId>
+            <version>8.4.3</version>
+        </dependency>
+        <dependency>
+            <groupId>com.squareup.okhttp3</groupId>
+            <artifactId>okhttp</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.squareup.okio</groupId>
+            <artifactId>okio-jvm</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>kotlin-stdlib-jdk8</artifactId>
+        </dependency>
         <!-- Key refactor point: retain activation as a platform capability,
              but stop pulling it transitively through detection. -->
         <dependency>

entrance/src/main/resources/application.yml

@@ -65,6 +65,14 @@ log:
 files:
   path: D:\file
 
+storage:
+  minio:
+    endpoint: http://127.0.0.1:9000
+    access-key: "minioadmin"
+    secret-key: "minioadmin"
+    buckets:
+      user-signature: cn-tool-user-signature
+
 activate:
   private-key: "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"
   public-key: "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnFMmIVanMxsW5S/qP8Wcxf/J3/i4631BP3UtWkRzO7jAw9HIAgK4Y7X53hXj6zMbfme1vMjQc0mq7m/KrH4WlTYpFexLO6Gnk8oH40F04tp+ABZIq93zNOydPEaVoZeTPH/LlkwrrxVGAMNNIKuebcqapp25JiWtlSFMv4kH/nDAj+2m8+P4zYVM1Ed6gO01eKDEYE3SBA1Ket2BfHTgviR/F8WKwlXh11enywsJnrHTM5dJQdlUxCjHy214TpheYOz/cv9elQnDfFAbmZW8mH5/hgMSTkm3h4uR7ITin6Erg+yc/t1kGaTWrzloyBRMSiFN/Pwr5yQjj+1wQqqUkwIDAQAB"