fix: unknown extension .svelte

Author: happysalada

package.json

@@ -36,8 +36,8 @@
     "rollup-plugin-postcss": "^4.0.2",
     "rollup-plugin-replace": "^2.2.0",
     "rollup-plugin-svelte": "^7.1.4",
-    "svelte": "^3.58.0",
     "sirv-cli": "^2.0.2",
+    "svelte": "^3.58.0",
     "svelte-highlight": "^7.2.1",
     "svelte-preprocess": "^5.0.3",
     "svelte-tiny-virtual-list": "^2.0.5",
@@ -63,6 +63,12 @@
     }
   },
   "type": "module",
+  "exports": {
+    ".": {
+      "svelte": "./index.js",
+      "types": "./index.d.ts"
+    }
+  },
   "dependencies": {
     "@floating-ui/dom": "^1.2.1",
     "svelte-floating-ui": "1.2.8"