fix(cli-template): babel.config.js at dist-h5 not work for serve h5

Author: allen-zh

packages/mars-cli-template/generator/dist-h5/babel.config.js

@@ -0,0 +1,14 @@
+/* eslint-disable */
+const target = process.env.MARS_CLI_TARGET || 'swan';
+let config = {};
+
+// babel config for H5
+if (target === 'h5') {
+    config = {
+        presets: [
+            '@vue/app'
+        ]
+    };
+}
+
+module.exports = config;