feat: external config loading

+refactor many pieces

packages/webpack5/src/helpers/log.ts

@@ -0,0 +1,23 @@
+// todo: refine
+// export function error(message: string, info?: { possibleCauses?: string[] }) {
+// 	console.error(`
+// 	NativeScript Webpack encountered an error and cannot proceed with the build:
+//
+// 	${message}
+//
+// 	Possible causes:
+// 	${info?.possibleCauses?.map((cause) => `- ${cause}`).join('\n')}
+// 	`);
+// }
+
+export function error(...data: any) {
+	console.error(`[@nativescript/webpack]`, ...data);
+}
+
+export function warn(...data: any) {
+	console.warn(`[@nativescript/webpack]`, ...data);
+}
+
+export function info(...data: any) {
+	console.info(`[@nativescript/webpack]`, ...data);
+}