chore: 모달 타이틀 변경

Author: 유인근

index.html

@@ -233,7 +233,7 @@ <h3 class="mb-0"></h3>
           <div class="modal-dialog" role="document">
             <div class="modal-content">
               <div class="modal-header">
-                <h5 class="modal-title" id="exampleModalLongTitle">Modal title</h5>
+                <h5 class="modal-title" id="exampleModalLongTitle">사용법 & 시나리오</h5>
                 <button type="button" class="close" data-dismiss="modal" aria-label="Close">
                   <span aria-hidden="true">&times;</span>
                 </button>