apply StyleCI fixes

Author: faissaloux

app/Jobs/CreateArticle.php

@@ -59,7 +59,7 @@ public function handle(): Article
         $article->authoredBy($this->author);
         $article->syncTags($this->tags);
 
-        if (App::environment() !== 'testing'){
+        if (App::environment() !== 'testing') {
             (new AnonymousNotifiable())->notify(new ArticleSubmitted($article));
         }
 

app/Notifications/ArticleSubmitted.php

@@ -16,7 +16,7 @@ class ArticleSubmitted extends Notification implements ShouldQueue
 
     public function __construct(Article $article)
     {
-        $this->article = $article;        
+        $this->article = $article;
     }
 
     public function via($notifiable)
@@ -36,8 +36,8 @@ public function toTelegram($notifiable)
     private function content(): string
     {
         $content = "*New article submitted!*\n\n";
-        $content .= "Title: " . $this->article->title() . "\n";
-        $content .= "By: [@" . $this->article->author()->username() . "](" . route('profile', $this->article->author()->username()) . ")";
+        $content .= 'Title: '.$this->article->title()."\n";
+        $content .= 'By: [@'.$this->article->author()->username().']('.route('profile', $this->article->author()->username()).')';
 
         return $content;
     }