build: inline postcss config into vite config

postcss.config.js

@@ -1,5 +0,0 @@
-module.exports = {
-  plugins: {
-    autoprefixer: {}
-  }
-}

vite.config.ts

@@ -1,19 +1,22 @@
-import { fileURLToPath, URL } from "node:url";
+import { fileURLToPath, URL } from 'node:url'
 
-import { defineConfig } from "vite";
-import { imagetools } from "vite-imagetools";
-import vue from "@vitejs/plugin-vue";
+import { defineConfig } from 'vite'
+import { imagetools } from 'vite-imagetools'
+import vue from '@vitejs/plugin-vue'
 
 // https://vitejs.dev/config/
 export default defineConfig({
-  base: "/sebin/",
+  base: '/sebin/',
   plugins: [vue(), imagetools()],
   resolve: {
     alias: {
-      "@": fileURLToPath(new URL("./src", import.meta.url)),
-    },
+      '@': fileURLToPath(new URL('./src', import.meta.url))
+    }
   },
   css: {
     devSourcemap: true,
-  },
-});
+    postcss: {
+      plugins: [require('autoprefixer')]
+    }
+  }
+})