Add support for lint-staged (#8)

Author: dmason30

src/Commands/UnusedCommand.php

@@ -12,6 +12,7 @@
 class UnusedCommand extends Command
 {
     public $signature = 'translation:unused
+        {paths?* :  This not used by this command but adds support for lint-staged. }
         {--b|generate-baseline : Generate a baseline file from the unused keys.}';
 
     public $description = 'Finds unused language keys.';

tests/Commands/UnusedCommandTest.php

@@ -23,7 +23,7 @@
     config()->set('translation-linter.unused.filters', []);
 
     withoutMockingConsoleOutput();
-    expect(artisan('translation:unused'))
+    expect(artisan('translation:unused "/this/argument/is/ignored" "/and/so/is/this"'))
         ->toBe(1)
         ->and(Artisan::output())
         ->toMatchSnapshot();