add cors

src/main/java/cc/fascinated/backend/config/Config.java

@@ -0,0 +1,25 @@
+package cc.fascinated.backend.config;
+
+import lombok.NonNull;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.CorsRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+@Configuration
+public class Config {
+
+    @Bean
+    public WebMvcConfigurer configureCors() {
+        return new WebMvcConfigurer() {
+            @Override
+            public void addCorsMappings(@NonNull CorsRegistry registry) {
+                // Allow all origins to access the API
+                registry.addMapping("/**")
+                        .allowedOrigins("*") // Allow all origins
+                        .allowedMethods("*") // Allow all methods
+                        .allowedHeaders("*"); // Allow all headers
+            }
+        };
+    }
+}