fix: Build stage stalling

Build stage would stall after finishing, this could cause some issue
when containerization is implemented, so I wrote a vite plugin to auto
kill it after it finished bundling.

src/lib/functions/autoCloseViteBuild.ts

@@ -0,0 +1,23 @@
+import type { PluginOption } from 'vite';
+
+export default function closePlugin() {
+  const plugin: PluginOption = {
+    name: 'BuildWatcher',
+    buildEnd: function (error?: Error) {
+      if (error) {
+        console.error('\x1b[35m[BuildWatcher]\x1b[0m Error building.');
+        console.error(error);
+        process.exit(1);
+      } else {
+        console.log('\x1b[35m[BuildWatcher]\x1b[0m Build Stage Ended.');
+      }
+    },
+
+    closeBundle: function () {
+      console.log('\x1b[35m[BuildWatcher]\x1b[0m Bundle closed');
+      process.exit(0);
+    },
+  };
+
+  return plugin;
+}

vite.config.ts

@@ -1,10 +1,12 @@
 import { sveltekit } from '@sveltejs/kit/vite';
 import { defineConfig } from 'vite';
 import { startupSocketIOServer } from './src/lib/functions/websocketConfig';
+import closePlugin from './src/lib/functions/autoCloseViteBuild';
 
 export default defineConfig({
   plugins: [
     sveltekit(),
+    closePlugin(),
     {
       name: 'integratedSocketIOServer',
       configureServer(server) {