Merge pull request FITIFITBANnerit#37 from FITIFITBANnerit/feat/banner

fix: presigned PUT URL에 Content-Type추가

Author: yujin24300

src/main/java/com/BANnerIt/server/api/s3/service/S3Service.java

@@ -40,6 +40,7 @@ public List<PresignedUrlResponse> generatePutPresignedUrls(PresignedUrlRequest r
             GeneratePresignedUrlRequest s3UrlRequest = new GeneratePresignedUrlRequest(bucket, key)
                     .withMethod(com.amazonaws.HttpMethod.PUT)
                     .withExpiration(expiration);
+            s3UrlRequest.addRequestParameter("Content-Type", "image/jpeg");
 
             URL url = amazonS3.generatePresignedUrl(s3UrlRequest);