Fix missing typescript declaration files (#27)

* Fix missing typescript declatation files

* Add back export to make sure types are used.

Author: HarelM

package-lock.json

@@ -3,7 +3,13 @@
   "version": "5.0.3",
   "description": "Slice GeoJSON data into vector tiles efficiently",
   "type": "module",
-  "exports": "./src/index.js",
+  "exports": {
+    ".": {
+      "types": "./dist/index.d.ts",
+      "import": "./dist/geojson-vt.mjs",
+      "default": "./dist/geojson-vt.js"
+    }
+  },
   "sideEffects": false,
   "keywords": [
     "spatial",
@@ -13,7 +19,7 @@
   ],
   "author": "Vladimir Agafonkin",
   "module": "dist/geojson-vt.mjs",
-  "main": "dist/geojson-vt-dev.js",
+  "main": "dist/geojson-vt.js",
   "typings": "dist/index.d.ts",
   "jsdelivr": "dist/geojson-vt.js",
   "unpkg": "dist/geojson-vt.js",

package.json

@@ -7,6 +7,7 @@
         "declarationMap": true,
         "rootDir": "./src",
         "skipLibCheck": true,
+        "noEmit": false,
     },
     "include": ["./src/**/*.ts"]
 }