fix: Configure allowedHosts in astro.config.mjs only

- Removed separate vite.config.js
- Added server and preview config directly to astro.config.mjs
- Set allowedHosts: true to allow Easypanel hostnames
- Set host: 0.0.0.0 for container networking

astro.config.mjs

@@ -1,17 +1,18 @@
 // @ts-check
 import { defineConfig } from 'astro/config';
-
 import tailwindcss from '@tailwindcss/vite';
 
-// https://astro.build/config
 export default defineConfig({
   vite: {
-    plugins: [tailwindcss()],
-    server: {
-      allowedHosts: true  // Allow all hosts for development
-    },
-    preview: {
-      allowedHosts: true  // Allow all hosts for production preview
-    }
+    plugins: [tailwindcss()]
+  },
+  // Allow all hosts - required for Easypanel deployment
+  server: {
+    host: '0.0.0.0',
+    allowedHosts: true
+  },
+  preview: {
+    host: '0.0.0.0',
+    allowedHosts: true
   }
 });