feat: support code coverage (#1414)

apps/web/next.config.mjs

@@ -56,9 +56,10 @@ const nextConfig = {
   },
   experimental: {
     swcPlugins: [
+      process.env.COVERAGE === 'true' && ['swc-plugin-coverage-instrument', {}],
       ['@swc-jotai/debug-label', {}],
       // ['@swc-jotai/react-refresh', {}],
-    ],
+    ].filter(Boolean),
   },
   reactStrictMode: true,
   transpilePackages: [