minor #42 [Chart] Add a small example how to set options (Nyholm)

This PR was merged into the main branch.

Discussion
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[Chart] Add a small example how to set options

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| Tickets       |
| License       | MIT

Adding a small example how to set chart options.

The docs for this example is [here](https://www.chartjs.org/docs/latest/axes/cartesian/#tick-configuration) and personally I find it next to impossible to discover what options are available... This example may help people just a bit.

Commits
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3054a29 [Chart.js] Add a small example how to set options

Author: tgalopin

src/Chartjs/Model/Chart.php

@@ -49,6 +49,20 @@ public function setData(array $data): self
     }
 
     /**
+     * Sets Chart.js options.
+     *
+     * @see https://www.chartjs.org/docs/latest/
+     *
+     * <code>
+     *    $chart->setOptions([
+     *        'scales' => [
+     *            'yAxes' => [
+     *                ['ticks' => ['min' => 0, 'max' => 100]],
+     *            ]
+     *        ]
+     *    ]);
+     * </code>
+     *
      * @return $this
      */
     public function setOptions(array $options): self

src/Chartjs/README.md

@@ -47,7 +47,13 @@ class HomeController extends AbstractController
             ],
         ]);
 
-        $chart->setOptions([/* ... */]);
+        $chart->setOptions([
+            'scales' => [
+                'yAxes' => [
+                    ['ticks' => ['min' => 0, 'max' => 100]],
+                ],
+            ],
+        ]);
 
         return $this->render('home/index.html.twig', [
             'chart' => $chart,