Add node shebangs to server bins

src/server/index.ts

@@ -1,3 +1,4 @@
+#!/usr/bin/env node
 import { effectivePiWebConfig } from "../config.js";
 import { buildApp } from "./app.js";
 

src/server/sessiond.ts

@@ -1,3 +1,4 @@
+#!/usr/bin/env node
 import { mkdir, rm } from "node:fs/promises";
 import { dirname } from "node:path";
 import Fastify from "fastify";