fix: export module types (#1156)

* fix: export module types

* fix: move types into `import` conditional export block

---------

Co-authored-by: Martin Schuhfuss <m.schuhfuss@gmail.com>

Author: ptazithos

package.json

@@ -22,7 +22,10 @@
   "main": "dist/index.umd.js",
   "exports": {
     ".": {
-      "import": "./dist/index.esm.js",
+      "import": {
+        "types": "./dist/index.d.ts",
+        "default": "./dist/index.esm.js"
+      },
       "require": "./dist/index.umd.js",
       "umd": "./dist/index.umd.js",
       "browser": "./dist/index.esm.js"
@@ -97,4 +100,4 @@
     "access": "public",
     "registry": "https://wombat-dressing-room.appspot.com"
   }
-}
+}