fix: using exports field in package.json (#937)

Co-authored-by: Anthony Fu <[email protected]>

Author: susnux

packages/floating-vue/package.json

@@ -14,6 +14,15 @@
   "main": "dist/floating-vue.umd.js",
   "module": "dist/floating-vue.mjs",
   "types": "dist/index.d.ts",
+  "exports": {
+    ".": {
+      "require": "./dist/floating-vue.umd.js",
+      "import": "./dist/floating-vue.mjs",
+      "types": "./dist/index.d.ts"
+    },
+    "./style.css": "./dist/style.css",
+    "./dist/style.css": "./dist/style.css"
+  },
   "dependencies": {
     "@floating-ui/dom": "^1.2.8",
     "vue-resize": "^2.0.0-alpha.1"