🔧 웹훅 URL을 HTTPS로 수정

- 웹훅 URL을 https://admin.youtooplay.com/webhook로 변경
- Nginx 리버스 프록시 설정 파일 추가
- 배포 가이드 업데이트

@core/scss/base/libs/_perfect-scrollbar.scss

@@ -0,0 +1,35 @@
+$ps-size: 0.25rem;
+$ps-hover-size: 0.375rem;
+$ps-track-size: 0.5rem;
+
+.ps__thumb-y {
+  inline-size: $ps-size !important;
+  inset-inline-end: 0.0625rem;
+}
+
+.ps__thumb-y,
+.ps__thumb-x {
+  background-color: rgb(var(--v-theme-perfect-scrollbar-thumb)) !important;
+}
+
+.ps__thumb-x {
+  block-size: $ps-size !important;
+}
+
+.ps__rail-x {
+  background: transparent !important;
+  block-size: $ps-track-size;
+}
+
+.ps__rail-y {
+  background: transparent !important;
+  inline-size: $ps-track-size !important;
+  inset-inline-end: 0.125rem !important;
+  inset-inline-start: unset !important;
+}
+
+.ps__rail-y.ps--clicking .ps__thumb-y,
+.ps__rail-y:focus > .ps__thumb-y,
+.ps__rail-y:hover > .ps__thumb-y {
+  inline-size: $ps-hover-size !important;
+}