完善前端直连oss功能，新增重命名以及删除文件功能，完善后端接口

backend/src/main/java/com/yoyuzh/config/SecurityConfig.java

@@ -91,7 +91,7 @@ public class SecurityConfig {
     public CorsConfigurationSource corsConfigurationSource() {
         CorsConfiguration configuration = new CorsConfiguration();
         configuration.setAllowedOrigins(corsProperties.getAllowedOrigins());
-        configuration.setAllowedMethods(List.of("GET", "POST", "PUT", "DELETE", "OPTIONS"));
+        configuration.setAllowedMethods(List.of("GET", "POST", "PUT", "PATCH", "DELETE", "OPTIONS"));
         configuration.setAllowedHeaders(List.of("*"));
         configuration.setAllowCredentials(false);
         configuration.setMaxAge(3600L);