fix package json exports

Author: KingSora

packages/overlayscrollbars/package.json

@@ -35,9 +35,18 @@
   "types": "src/index.ts",
   "exports": {
     ".": {
-      "require": "./src/index.ts",
-      "import": "./src/index.ts",
-      "types": "./src/index.ts"
+      "import": {
+        "types": "./src/index.ts",
+        "default": "./src/index.ts"
+      },
+      "require": {
+        "types": "./src/index.ts",
+        "default": "./src/index.ts"
+      },
+      "default": {
+        "types": "./src/index.ts",
+        "default": "./src/index.ts"
+      }
     },
     "./overlayscrollbars.scss": "./src/index.scss"
   },