prepare for npm

package.json

@@ -2,7 +2,8 @@
   "name": "redstone-node",
   "version": "0.4.1",
   "description": "A data provider module that fetches price information and serves it to end users.",
-  "main": "index.js",
+  "main": "dist/index.js",
+  "types": "dist/index.d.ts",
   "scripts": {
     "build": "rm -rf dist && tsc",
     "start:prod": "node dist/index.js",
@@ -70,6 +71,7 @@
     "typescript": "^4.3.2"
   },
   "files": [
-    "dist"
+    "dist",
+    "dist/src"
   ]
 }