feat: add tests, chore: update readme

tests/Feature/Console/ScreenGeneratorCommandTest.php

@@ -0,0 +1,13 @@
+<?php
+
+use App\Jobs\GenerateScreenJob;
+use Illuminate\Support\Facades\Bus;
+
+test('it generates screen with default parameters', function () {
+    Bus::fake();
+
+    $this->artisan('trmnl:screen:generate')
+        ->assertSuccessful();
+
+    Bus::assertDispatched(GenerateScreenJob::class);
+});