init: media-center v2

Rewrite of ESH-Media v1 with separated main/renderer/shared architecture
(vite-plugin-electron, React 18, react-router-dom). Includes NeDB storage,
electron-store config, proxy manager with FoxyProxy/uBlock extensions,
custom server-checked updater, NSIS installer.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

vite.config.ts

@@ -0,0 +1,23 @@
+import { defineConfig } from 'vite';
+import react from '@vitejs/plugin-react';
+import { resolve } from 'path';
+
+export default defineConfig({
+  plugins: [react()],
+  base: './',
+  root: resolve(__dirname, 'src/renderer'),
+  publicDir: resolve(__dirname, 'public'),
+  build: {
+    outDir: resolve(__dirname, 'dist/renderer'),
+    emptyOutDir: true,
+  },
+  resolve: {
+    alias: {
+      '@': resolve(__dirname, 'src/renderer'),
+      '@shared': resolve(__dirname, 'src/shared'),
+    },
+  },
+  server: {
+    port: 3000,
+  },
+});