docs: add korean translations

docs/package-lock.json

@@ -10,6 +10,7 @@
       "license": "MIT",
       "dependencies": {
         "vitepress": "^1.3.2",
+        "vitepress-i18n": "^1.0.1",
         "vitepress-sidebar": "^1.24.1",
         "vue": "^3.4.36"
       },
@@ -1675,6 +1676,14 @@
         }
       }
     },
+    "node_modules/vitepress-i18n": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/vitepress-i18n/-/vitepress-i18n-1.0.1.tgz",
+      "integrity": "sha512-b7NbvTaLRIkYUkbDQPOzP4bwtUDIuZCRykhhyWSjcbNmzb/uoUoLFb0bpeFbD4Gkv7jZ5ELnYdtrMoBaHq7IuQ==",
+      "engines": {
+        "node": ">=18.0.0"
+      }
+    },
     "node_modules/vitepress-sidebar": {
       "version": "1.24.1",
       "resolved": "https://registry.npmjs.org/vitepress-sidebar/-/vitepress-sidebar-1.24.1.tgz",