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/bar-chart.tsx

@@ -0,0 +1,19 @@
+import { Component, Host, Prop, h } from '@stencil/core';
+
+@Component({
+  tag: 'bar-chart',
+  styleUrl: 'bar-chart.css',
+  shadow: true,
+})
+export class BarChart {
+
+  @Prop() title: string = "Hello World";
+
+  render() {
+    return (
+      <Host>
+        <slot>{this.title}</slot>
+      </Host>
+    );
+  }
+}