Adding upstream version 0.28.1.

Signed-off-by: Daniel Baumann <daniel@debian.org>

ui/vite.config.js

@@ -0,0 +1,31 @@
+import { defineConfig }           from 'vite';
+import { svelte, vitePreprocess } from '@sveltejs/vite-plugin-svelte';
+
+// see https://vitejs.dev/config
+export default defineConfig({
+    server: {
+        port: 3000,
+    },
+    envPrefix: 'PB',
+    base: './',
+    build: {
+        chunkSizeWarningLimit: 1000,
+        reportCompressedSize: false,
+    },
+    plugins: [
+        svelte({
+            preprocess: [vitePreprocess()],
+            onwarn: (warning, handler) => {
+                if (warning.code.startsWith('a11y-')) {
+                    return; // silence a11y warnings
+                }
+                handler(warning);
+            },
+        }),
+    ],
+    resolve: {
+        alias: {
+            '@': __dirname + '/src',
+        }
+    },
+})