Cleaning some code style

Author: roberto-butti

src/Data/Asset.php

@@ -89,13 +89,14 @@ public function updatedAt(): null|string
         return $this->getFormattedDateTime('updated_at', "", format: "Y-m-d");
     }
 
-    public function setExternalUrl($url): self
+    public function setExternalUrl(string $url): self
     {
 
         $this->set("filename", $url);
         $this->set("is_external_url", true);
         return $this;
     }
+
     public static function emptyAsset(): Asset
     {
         return self::make([

src/Data/StoryComponent.php

@@ -90,7 +90,7 @@ public function setAsset(string $field, Asset $asset): self
 
     public function addBlock(string $field, StoryComponent $component): self
     {
-        $blocks =$this->getArray($field);
+        $blocks = $this->getArray($field);
         $blocks[] = $component->toArray();
         $this->set($field, $blocks);
         return $this;