feat: add art alias for artisan

Closes issue golevelup#11

re golevelup#11

src/commands/art.ts

@@ -0,0 +1,13 @@
+import { flags } from "@oclif/command";
+import chalk from "chalk";
+import execa from "execa";
+import * as shelljs from "shelljs";
+import { shellWhitespace } from "../actions";
+import verifyLaravelProject, {
+  getExtendedIncompatibilityMessage,
+  isLaravelUpProject
+} from "../actions/verify-laravel-project-directory";
+import BaseCommand from "./command-base";
+import Artisan from "./artisan";
+
+export default class Art extends Artisan {}