Added TreeMap chart

- Added tests

src/Charts/LivewireTreeMapChart.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace Asantibanez\LivewireCharts\Charts;
+
+use Asantibanez\LivewireCharts\Models\TreeMapChartModel;
+use Livewire\Component;
+
+/**
+ * Class LivewireTreeMapChart
+ * @package Asantibanez\LivewireCharts\Charts
+ */
+class LivewireTreeMapChart extends Component
+{
+    public $treeMapChartModel;
+
+    public function mount(TreeMapChartModel $treeMapChartModel)
+    {
+        $this->treeMapChartModel = $treeMapChartModel->toArray();
+    }
+
+    public function render()
+    {
+        return view('livewire-charts::livewire-tree-map-chart');
+    }
+}