Merge pull request #27 from GDSC-snowflowerthon/fix/openAPI-13

[feat] 가져오는 데이터 수 늘림 #13

src/main/java/com/ALGo/ALGo_server/message/service/MessageService.java

@@ -37,7 +37,7 @@ public MessageResponse message(User user) throws IOException, ParseException {
         urlBuilder.append("?serviceKey=" + secretKey);
         urlBuilder.append("&returnType=json");
         urlBuilder.append("&pageNum=1");
-        urlBuilder.append("&numRowsPerPage=10");
+        urlBuilder.append("&numRowsPerPage=20");
 
         URL url = new URL(urlBuilder.toString());
         HttpURLConnection conn = (HttpURLConnection) url.openConnection();