refactor element updates

backend/app/Element/Element.php

@@ -29,31 +29,61 @@ class Element
         return $this->title;
     }
 
+    public function setTitle(string $title): void
+    {
+        $this->title = $title;
+    }
+
     public function getDescription(): string
     {
         return $this->description;
     }
 
+    public function setDescription(string $description): void
+    {
+        $this->description = $description;
+    }
+
     public function getIconImageUrl(): ?string
     {
         return $this->iconImageUrl;
     }
 
+    public function setIconImageUrl(?string $iconImageUrl): void
+    {
+        $this->iconImageUrl = $iconImageUrl;
+    }
+
     public function getRichText(): string
     {
         return $this->richText;
     }
 
+    public function setRichText(string $richText): void
+    {
+        $this->richText = $richText;
+    }
+
     public function getPdfPath(): ?string
     {
         return $this->pdfPath;
     }
 
+    public function setPdfPath(?string $pdfPath): void
+    {
+        $this->pdfPath = $pdfPath;
+    }
+
     public function getYoutubeUrl(): ?string
     {
         return $this->youtubeUrl;
     }
 
+    public function setYoutubeUrl(?string $youtubeUrl): void
+    {
+        $this->youtubeUrl = $youtubeUrl;
+    }
+
     public function getSet(): Set
     {
         return $this->set;