Update package.json and add shenbang

Author: Henriquehnnm

package.json

@@ -1,6 +1,10 @@
 {
-  "name": "invoice",
+  "name": "@Henriquehnnm/invoice",
+  "description": "Manage your freelance projects elegantly",
+  "author": "Henrique Sardinha",
+  "main": "src/index.ts",
   "module": "index.ts",
+  "version": "1.0.3",
   "type": "module",
   "private": true,
   "scripts": {
@@ -26,5 +30,21 @@
     "pdfkit": "^0.18.0",
     "picocolors": "^1.1.1",
     "zod": "^4.3.6"
-  }
+  },
+  "bin": {
+    "invoice": "./src/index.ts"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "files": [
+    "src",
+    "README.md"
+  ],
+  "keywords": [
+    "cli",
+    "invoice",
+    "bun"
+  ],
+  "license": "GPL-3.0"
 }

src/index.ts

@@ -1,3 +1,5 @@
+#!/usr/bin/env bun
+
 import { cli } from "./cli";
 
 function main() {