Initialize Clash Web source and deployment documentation

web/vite.config.ts

@@ -0,0 +1,8 @@
+import { defineConfig } from 'vite'
+import vue from '@vitejs/plugin-vue'
+
+export default defineConfig({
+  plugins: [vue()],
+  server: { proxy: { '/api': 'http://127.0.0.1:8080' } },
+  build: { chunkSizeWarningLimit: 1100 },
+})