feature #45 Make setters fluent (elkuku)

This PR was squashed before being merged into the main branch.

Discussion
----------

Make setters fluent

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| Tickets       | <!-- prefix each issue number with "Fix #", no need to create an issue if none exist, explain below instead -->
| License       | MIT

I just replaced some charts in a personal project with ux-chartjs and it feels quite cool ;)

To reduce local variables i'd love to see fluent setters.

wdyt?

Commits
-------

3c22ee0 Make setters fluent

Author: tgalopin

src/Chartjs/Model/Chart.php

@@ -38,19 +38,34 @@ public function __construct(string $type)
         $this->type = $type;
     }
 
-    public function setData(array $data)
+    /**
+     * @return $this
+     */
+    public function setData(array $data): self
     {
         $this->data = $data;
+
+        return $this;
     }
 
-    public function setOptions(array $options)
+    /**
+     * @return $this
+     */
+    public function setOptions(array $options): self
     {
         $this->options = $options;
+
+        return $this;
     }
 
-    public function setAttributes(array $attributes)
+    /**
+     * @return $this
+     */
+    public function setAttributes(array $attributes): self
     {
         $this->attributes = $attributes;
+
+        return $this;
     }
 
     public function createView(): array

src/Cropperjs/Model/Crop.php

@@ -107,23 +107,38 @@ public function getOptions(): string
         return json_encode($this->options);
     }
 
-    public function setOptions(string $options)
+    /**
+     * @return $this
+     */
+    public function setOptions(string $options): self
     {
         $this->options = json_decode($options, true);
+
+        return $this;
     }
 
-    public function setDefaultOptions(array $options)
+    /**
+     * @return $this
+     */
+    public function setDefaultOptions(array $options): self
     {
         foreach ($this->options as $key => $defaultValue) {
             if (isset($options[$key])) {
                 $this->options[$key] = $options[$key];
             }
         }
+
+        return $this;
     }
 
-    public function setCroppedMaxSize(int $maxWidth, int $maxHeight)
+    /**
+     * @return $this
+     */
+    public function setCroppedMaxSize(int $maxWidth, int $maxHeight): self
     {
         $this->maxWidth = $maxWidth;
         $this->maxHeight = $maxHeight;
+
+        return $this;
     }
 }