some corrections

.gitignore

...com/takima/backskeleton/controllers/CourseController.java

.../com/takima/backskeleton/controllers/MajorController.java

...om/takima/backskeleton/controllers/StudentController.java

.../src/main/java/com/takima/backskeleton/dao/CourseDao.java

...n/src/main/java/com/takima/backskeleton/dao/MajorDao.java

...src/main/java/com/takima/backskeleton/dao/StudentDao.java

...src/main/java/com/takima/backskeleton/dto/StudentDto.java

.../main/java/com/takima/backskeleton/dto/StudentMapper.java

...n/src/main/java/com/takima/backskeleton/models/Major.java

...src/main/java/com/takima/backskeleton/models/Student.java

.../java/com/takima/backskeleton/services/CourseService.java

...n/java/com/takima/backskeleton/services/MajorService.java

...java/com/takima/backskeleton/services/StudentService.java