chore(frontend): overlayscrollbars 의존성 추가

frontend/package-lock.json

@@ -19,6 +19,8 @@
         "dayjs": "^1.11.19",
         "framer-motion": "^11.0.8",
         "lucide-react": "^0.344.0",
+        "overlayscrollbars": "^2.16.0",
+        "overlayscrollbars-react": "^0.5.6",
         "react": "^18.2.0",
         "react-calendar": "^6.0.0",
         "react-colorful": "^5.6.1",
@@ -1287,6 +1289,22 @@
         "node": ">= 6"
       }
     },
+    "node_modules/overlayscrollbars": {
+      "version": "2.16.0",
+      "resolved": "https://registry.npmjs.org/overlayscrollbars/-/overlayscrollbars-2.16.0.tgz",
+      "integrity": "sha512-N03oje/q7j93D0aLZtoCdsDSYLmhheSsv8H7oSLE7HhdV9P/bmCURtLV/KbPye7P/bpfyt/obSfDpGUYoJ0OWg==",
+      "license": "MIT"
+    },
+    "node_modules/overlayscrollbars-react": {
+      "version": "0.5.6",
+      "resolved": "https://registry.npmjs.org/overlayscrollbars-react/-/overlayscrollbars-react-0.5.6.tgz",
+      "integrity": "sha512-E5To04bL5brn9GVCZ36SnfGanxa2I2MDkWoa4Cjo5wol7l+diAgi4DBc983V7l2nOk/OLJ6Feg4kySspQEGDBw==",
+      "license": "MIT",
+      "peerDependencies": {
+        "overlayscrollbars": "^2.0.0",
+        "react": ">=16.8.0"
+      }
+    },
     "node_modules/path-parse": {
       "version": "1.0.7",
       "dev": true,

frontend/package.json

@@ -20,6 +20,8 @@
     "dayjs": "^1.11.19",
     "framer-motion": "^11.0.8",
     "lucide-react": "^0.344.0",
+    "overlayscrollbars": "^2.16.0",
+    "overlayscrollbars-react": "^0.5.6",
     "react": "^18.2.0",
     "react-calendar": "^6.0.0",
     "react-colorful": "^5.6.1",