feat: ConvertGUI v2.0 (Wails + preview/trim + NSIS + Gitea CI)

frontend/vite.config.ts

@@ -0,0 +1,10 @@
+import { defineConfig } from 'vite';
+
+export default defineConfig({
+  base: './',
+  build: {
+    outDir: 'dist',
+    emptyOutDir: true,
+    target: 'es2022',
+  },
+});