Add npm ignore and directory for types in dist

.npmignore

@@ -0,0 +1,5 @@
+.vscode
+coverage
+example
+src
+node_modules

package.json

@@ -4,7 +4,7 @@
   "description": "Fast and reliable background jobs in Typescript",
   "main": "./dist/cjs/index.js",
   "module": "./dist/esm/index.js",
-  "types": "./dist/esm/*.d.ts",
+  "types": "./dist/types/index.d.ts",
   "source": "./src/index.ts",
   "scripts": {
     "clean": "rimraf dist",

tsconfig.json

@@ -9,6 +9,7 @@
     "target": "ES2022",
     "sourceMap": true,
     "outDir": "./dist/esm",
+    "declarationDir": "./dist/types",
     "baseUrl": "./",
     "incremental": true,
     "skipLibCheck": true,
@@ -20,5 +21,6 @@
     "esModuleInterop": true,
     "importHelpers": true
   },
+  "include": ["src"],
   "exclude": ["node_modules", "test", "dist", "**/*spec.ts"]
 }