Initial commit: Zabavna Matematika web and Android app.

Kids math practice (SL/EN) in a Vite React app, wrapped with Capacitor for Android (net.bit76.matematika). Includes session refactor, i18n, and text-free difficulty icons with translated overlays.

web/vite.config.js

@@ -0,0 +1,24 @@
+import { defineConfig } from 'vite'
+import react from '@vitejs/plugin-react'
+
+export default defineConfig({
+  plugins: [react()],
+  root: '.',
+  // Use relative paths in built assets so the site can be deployed to a subfolder
+  base: './',
+  // Build options tuned to reduce memory usage during bundling
+  build: {
+    // disable source maps (reduces memory and CPU during build)
+    sourcemap: false,
+    // use esbuild for minification (faster and lower memory than terser)
+    minify: 'esbuild',
+    // do not compute compressed sizes to avoid extra memory/CPU
+    reportCompressedSize: false,
+    // keep CSS code-splitting enabled (default) — avoids large single CSS bundle
+    cssCodeSplit: true,
+    // clear output dir before build
+    emptyOutDir: true,
+    // raise chunk warning limit to avoid spurious warnings for large bundles
+    chunkSizeWarningLimit: 2000
+  }
+})