chore: add mkdist type definition into dist

Author: Teages

package.json

@@ -8,21 +8,17 @@
   "repository": "nuxt-contrib/vue-sfc-transformer",
   "sideEffects": false,
   "exports": {
-    ".": "./dist/index.mjs",
-    "./mkdist": "./dist/mkdist.mjs"
+    ".": {
+      "types": "./dist/index.d.mts",
+      "import": "./dist/index.mjs"
+    },
+    "./mkdist": {
+      "types": "./dist/mkdist.d.mts",
+      "import": "./dist/mkdist.mjs"
+    }
   },
   "main": "./dist/index.mjs",
   "module": "./dist/index.mjs",
-  "typesVersions": {
-    "*": {
-      ".": [
-        "./dist/index.d.mts"
-      ],
-      "./*": [
-        "./dist/*"
-      ]
-    }
-  },
   "files": [
     "dist"
   ],