fix: export seperate typings for CommonJS consumers (#48)

Author: jankarres

package.json

@@ -26,10 +26,14 @@
     "types": "./dist/index.d.ts",
     "exports": {
         ".": {
-            "types": "./dist/index.d.ts",
-            "import": "./dist/index.js",
-            "require": "./dist/index.cjs",
-            "default": "./dist/index.js"
+            "import": {
+                "types": "./dist/index.d.ts",
+                "default": "./dist/index.js"
+            },
+            "require": {
+                "types": "./dist/index.d.cts",
+                "default": "./dist/index.cjs"
+            }
         }
     },
     "files": [