Merge pull request #3981 from NativeScript/fatme/update-not-supported-webpack-msg

fix: show more descriptive message when `tns preview -hmr` command is executed and the project has webpack plugin with version lower than 0.17.0

Author: Fatme

lib/constants.ts

@@ -230,5 +230,5 @@ export class IosProjectConstants {
 
 export class BundleValidatorMessages {
 	public static MissingBundlePlugin = "Passing --bundle requires a bundling plugin. No bundling plugin found or the specified bundling plugin is invalid.";
-	public static NotSupportedVersion = `The NativeScript CLI requires nativescript-dev-webpack %s or later to work properly.`;
+	public static NotSupportedVersion = `The NativeScript CLI requires nativescript-dev-webpack %s or later to work properly. After updating nativescript-dev-webpack you need to ensure "webpack.config.js" file is up to date with the one in the new version of nativescript-dev-webpack. You can automatically update it using "./node_modules/.bin/update-ns-webpack --configs" command.`;
 }