Feat: WebConfig 작성

- cors 설정 추가

src/main/java/com/api/readinglog/common/web/WebConfig.java

@@ -0,0 +1,21 @@
+package com.api.readinglog.common.web;
+
+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 WebConfig implements WebMvcConfigurer {
+
+    @Override
+    public void addCorsMappings(CorsRegistry registry) {
+        // TODO: cors 설정 좀 더 다듬기
+        registry.addMapping("/**")
+                .allowedOriginPatterns("*")
+                .allowedHeaders("*")
+                .allowedMethods("*")
+                .exposedHeaders("*")
+                .allowCredentials(true)
+                .maxAge(3600); // 캐싱
+    }
+}