build: run dev-server on all interfaces

This is useful for testing with external tools like
BrowserStack.

Author: coderbyheart

webpack.config.js

@@ -68,6 +68,7 @@ module.exports = [
 					)
 				})
 			},
+			host: '0.0.0.0',
 		},
 		module: {
 			rules: [