feat(poc): add stencil boilerplate for bar-chart component

- Generated the bar chart component
- Showing it in storybook
- Added title as parameter for testing

packages/luna-charts/src/components/charts/bar-chart/test/bar-chart.spec.tsx

@@ -0,0 +1,20 @@
+import { newSpecPage } from '@stencil/core/testing';
+import { BarChart } from '../bar-chart';
+import { describe, expect, it } from 'vitest';
+
+
+describe('bar-chart', () => {
+  it('renders', async () => {
+    const page = await newSpecPage({
+      components: [BarChart],
+      html: `<bar-chart></bar-chart>`,
+    });
+    expect(page.root).toEqualHtml(`
+      <bar-chart>
+        <mock:shadow-root>
+          <slot></slot>
+        </mock:shadow-root>
+      </bar-chart>
+    `);
+  });
+});