feat(Chart): Implement treemap chart (#188)

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Co-authored-by: RafaelSzmarowski <[email protected]>

packages/visualizations-react/stories/Chart/Treemap/Treemap.stories.tsx

@@ -0,0 +1,52 @@
+import type { ChartOptions, DataFrame } from '@opendatasoft/visualizations';
+import { ChartSeriesType } from '@opendatasoft/visualizations';
+import { Meta } from '@storybook/react';
+import type { Props } from '../../../src';
+import ChartTemplate from '../ChartTemplate';
+
+const meta: Meta = {
+    title: 'Chart/Treemap',
+};
+
+export default meta;
+
+export const TreemapChart = ChartTemplate.bind({});
+const DATA = [
+    { category: 'a very very very very very very very very very very very very very very very long text', color: 'red', count: 100 },
+    { category: 'first category', color: 'green', count: 50 },
+    { category: 'second category', color: 'blue', count: 20 },
+    { category: 'third category', color: 'red', count: 20 },
+    { category: 'fourth category', color: 'purple', count: 10 },
+    { category: 'fifth category', color: 'green', count: 10 },
+];
+const TreemapChartArgs: Props<DataFrame, ChartOptions> = {
+    data: {
+        loading: false,
+        value: DATA,
+    },
+    options: {
+        aspectRatio: 2,
+        series: [
+            {
+                type: ChartSeriesType.Treemap,
+                keyColumn: 'count',
+                keyGroups: ['category'],
+                borderColor: 'white',
+                colorFormatter: (index: number) => DATA[index].color,
+                labels: {
+                    align: 'center',
+                    display: true,
+                    maxLength: 10,
+                    labelsFormatter: (index: number ) => [DATA[index].category],
+                    color: ['white'],
+                    font: [{ size: 20 }],
+                    hoverColor: ['white', 'whiteSmoke'],
+                    hoverFont: [{ size: 21, weight: 'bold' }],
+                    position: 'middle',
+                    overflow: 'fit',
+                }
+            },
+        ],
+    },
+};
+TreemapChart.args = TreemapChartArgs;