feat(user): 新增用户注册、登录和删除功能

- 新增用户实体类和相关控制器、服务类
- 实现用户注册、登录和删除功能
- 添加用户token生成和验证逻辑
-优化密码存储，使用加密算法

biji-houdaun/src/main/java/com/test/bijihoudaun/config/Knife4jConfig.java

@@ -0,0 +1,47 @@
+package com.test.bijihoudaun.config;
+
+import io.swagger.v3.oas.models.OpenAPI;
+import io.swagger.v3.oas.models.info.Info;
+import org.springdoc.core.models.GroupedOpenApi;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class Knife4jConfig {
+
+    @Bean
+    public OpenAPI customOpenAPI() {
+        return new OpenAPI()
+                .info(new Info()
+                        .title("API文档")
+                        .version("1.0")
+                        .description("系统API文档")
+
+                );
+    }
+    @Bean
+    public GroupedOpenApi commonApi() {
+        return GroupedOpenApi.builder()
+                .group("图片接口")
+                .pathsToMatch("/api/images/**")
+                .build();
+    }
+
+    @Bean
+    public GroupedOpenApi tokenApi() {
+        return GroupedOpenApi.builder()
+                .group("markdown接口")
+                .pathsToMatch("/api/markdown/**")
+                .build();
+    }
+
+    @Bean
+    public GroupedOpenApi LotteryResultsApi() {
+        return GroupedOpenApi.builder()
+                .group("用户接口")
+                .pathsToMatch("/api/user/**")
+                .build();
+    }
+
+
+}

biji-houdaun/src/main/java/com/test/bijihoudaun/config/RestTemplateConfig.java

@@ -0,0 +1,14 @@
+package com.test.bijihoudaun.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.client.RestTemplate;
+
+@Configuration
+public class RestTemplateConfig {
+
+    @Bean
+    public RestTemplate restTemplate() {
+        return new RestTemplate();
+    }
+}