fix history fallback for windows.

Author: LinusBorg

template/build/webpack.dev.conf.js

@@ -25,7 +25,7 @@ const devWebpackConfig = merge(baseWebpackConfig, {
     clientLogLevel: 'warning',
     historyApiFallback: {
       rewrites: [
-        { from: /.*/, to: path.join(config.dev.assetsPublicPath, 'index.html') },
+        { from: /.*/, to: path.posix.join(config.dev.assetsPublicPath, 'index.html') },
       ],
     },
     hot: true,