Improve eslint rules (#3147)

* Add semi to ESLint rules

* Add padded-blocks to ESLint rules

* Add comma-dangle to ESLint rules

* add config/webpack and storyboard

* add streaming/

* yarn test:lint -- --fix

config/webpack/development.js

@@ -1,16 +1,16 @@
 // Note: You must restart bin/webpack-dev-server for changes to take effect
 
-const merge = require('webpack-merge')
-const sharedConfig = require('./shared.js')
+const merge = require('webpack-merge');
+const sharedConfig = require('./shared.js');
 
 module.exports = merge(sharedConfig, {
   devtool: 'cheap-module-eval-source-map',
 
   stats: {
-    errorDetails: true
+    errorDetails: true,
   },
 
   output: {
-    pathinfo: true
-  }
-})
+    pathinfo: true,
+  },
+});