🔧 웹훅 URL을 HTTPS로 수정

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

@core/scss/template/placeholders/_nav.scss

@@ -0,0 +1,45 @@
+// ℹ️ This is common style that needs to be applied to both navs
+%nav {
+  .nav-item-title {
+    letter-spacing: normal;
+    line-height: 1.375rem;
+  }
+}
+
+/*
+    Active nav link styles for horizontal & vertical nav
+
+    For horizontal nav it will be only applied to top level nav items
+    For vertical nav it will be only applied to nav links (not nav groups)
+*/
+%nav-link-active {
+  --v-activated-opacity: 0.16;
+
+  background-color: rgba(var(--v-theme-primary), var(--v-activated-opacity));
+  box-shadow: none;
+  color: rgb(var(--v-theme-primary));
+}
+
+// style for vertical nav nested icon
+%nav-link-nested-active {
+  background-color: transparent !important;
+  box-shadow: none;
+  color: rgba(var(--v-theme-on-surface), var(--v-high-emphasis-opacity)) !important;
+
+  // style for nested dot icon
+  .nav-item-icon {
+    color: rgb(var(--v-theme-primary), var(--v-activated-opacity)) !important;
+    transform: scale(2.6662);
+
+    &::before {
+      position: absolute;
+      border-radius: 6px;
+      background-color: rgb(var(--v-theme-primary));
+      block-size: 100%;
+      content: "";
+      inline-size: 100%;
+      inset: 0;
+      transform: scale(-0.5);
+    }
+  }
+}