Add basic vue structure

Signed-off-by: Julius Härtl <jus@bitgrid.net>

webpack.dev.js

@@ -0,0 +1,12 @@
+const merge = require('webpack-merge');
+const common = require('./webpack.common.js');
+
+module.exports = merge(common, {
+  mode: 'development',
+  devServer: {
+    historyApiFallback: true,
+    noInfo: true,
+    overlay: true
+  },
+  devtool: 'source-map',
+})