add gitignore and correct webpack

Author: WordPress.org

.gitignore

@@ -0,0 +1,44 @@
+# Standard gitignore file
+
+# Node.js
+node_modules/
+npm-debug.log
+yarn-error.log
+
+# Logs
+logs/
+*.log
+*.log.*
+
+# Dependency directories
+jspm_packages/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Environment variables
+.env
+.env.test
+.env.production
+
+# MacOS
+.DS_Store
+
+# IDEs and editors
+.idea/
+.vscode/
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+
+# Assets build directory
+assets/build/**/*.css
+assets/build/**/*.map
+assets/build/**/*.js

webpack.config.js

@@ -36,6 +36,9 @@ const commonConfig = {
 				exclude: /node_modules/,
 				use: {
 					loader: 'babel-loader',
+					options: {
+						presets: ['@babel/preset-react']
+					}
 				},
 			},
 			{