style: update ecs config to align associative arrays arrows

app/Config/App.php

app/Config/Autoload.php

app/Config/Cache.php

app/Config/Colors.php

app/Config/Database.php

app/Config/DocTypes.php

app/Config/Filters.php

app/Config/Format.php

app/Config/Generators.php

app/Config/Images.php

app/Config/Mimes.php

app/Config/Pager.php

app/Config/Publisher.php

app/Config/Routes.php

app/Config/UserAgents.php

app/Config/Validation.php

app/Controllers/ActorController.php

app/Controllers/CreditsController.php

app/Controllers/EpisodeAudioController.php

app/Controllers/EpisodeCommentController.php