fix: add shebang

Author: JacobLinCool

package.json

@@ -12,7 +12,7 @@
     },
     "main": "./lib/lib.js",
     "types": "./lib/lib.d.ts",
-    "bin": "./lib/index.js",
+    "bin": "./lib/cloudflared.js",
     "scripts": {
         "test": "jest --coverage",
         "dev": "tsup --watch",

src/cloudflared.ts

@@ -0,0 +1,4 @@
+#!/usr/bin/env node
+import { main } from "./index.js";
+
+main();

src/index.ts

@@ -2,9 +2,7 @@ import fs from "node:fs";
 import { spawn } from "node:child_process";
 import { bin, install } from "./lib.js";
 
-main();
-
-async function main() {
+export async function main(): Promise<void> {
     const args = process.argv.slice(2);
 
     if (args[0] === "bin") {