[Init] vanilla extract css 세팅 (#7)

* [Init] vanilla extract 패키지 설치 (#7)

* [Init] Vite 설정 추가 (#7)

* [Init] global css, reset css 설정 (#7)

Author: 1jiwoo27

package.json

@@ -10,6 +10,8 @@
     "preview": "vite preview"
   },
   "dependencies": {
+    "@vanilla-extract/css": "^1.17.4",
+    "@vanilla-extract/vite-plugin": "^5.1.1",
     "react": "^19.1.1",
     "react-dom": "^19.1.1"
   },