Merge pull request #48 from paleite/add-types-in-the-package

Fixes #35

Author: paleite

tsconfig.build.json

@@ -2,7 +2,7 @@
   "extends": "./tsconfig.base.json",
   "compilerOptions": {
     "composite": false,
-    "declaration": false,
+    "declaration": true,
     "outDir": "./dist",
     "rootDir": "./src",
     "resolveJsonModule": true