Merge pull request #184 from UnivApp/feature/tuition-fee-refactor2

refactor: 등록금 타입명 한글로 변경

src/main/java/yerong/wedle/university/service/UniversityService.java

@@ -157,7 +157,7 @@ private List<YearTuitionFeeResponse> getAllTuitionFeeResponses(List<TuitionFee>
                     String year = entry.getKey();
                     List<TuitionFeeResponse> tuitionFeeResponses = entry.getValue().stream()
                             .map(tuitionFee -> new TuitionFeeResponse(
-                                    tuitionFee.getTuitionFeeType().name(),
+                                    tuitionFee.getTuitionFeeType().getDisplayName(),
                                     tuitionFee.getFeeAmount()))
                             .collect(Collectors.toList());
                     return new YearTuitionFeeResponse(year, tuitionFeeResponses);