feat: add snjs package

packages/snjs/webpack.dev.js

@@ -0,0 +1,10 @@
+const { merge } = require('webpack-merge');
+const config = require('./webpack.config.js');
+
+module.exports = merge(config, {
+  mode: 'development',
+  devtool: 'eval-cheap-module-source-map',
+  stats: {
+    colors: true,
+  },
+});