fix: point types to separate declaration file

Author: KyleRoss

package.json

@@ -4,7 +4,7 @@
   "description": "Lightweight logging library for any Node 12+ applications",
   "main": "index.js",
   "module": "dist/esm/index.js",
-  "types": "dist/cjs/index.d.ts",
+  "types": "dist/types/index.d.ts",
   "exports": {
     ".": {
       "import": "./dist/esm/index.js",