Add story for variant analysis view

Author: koesie10

extensions/ql-vscode/src/stories/variant-analysis/VariantAnalysis.stories.tsx

@@ -0,0 +1,16 @@
+import React from 'react';
+
+import { ComponentStory, ComponentMeta } from '@storybook/react';
+
+import { VariantAnalysis as VariantAnalysisComponent } from '../../view/variant-analysis/VariantAnalysis';
+
+export default {
+  title: 'Variant Analysis/Variant Analysis',
+  component: VariantAnalysisComponent,
+} as ComponentMeta<typeof VariantAnalysisComponent>;
+
+const Template: ComponentStory<typeof VariantAnalysisComponent> = () => (
+  <VariantAnalysisComponent />
+);
+
+export const VariantAnalysis = Template.bind({});

extensions/ql-vscode/src/stories/variant-analysis/VariantAnalysisHeader.stories.tsx

@@ -7,7 +7,7 @@ import { VariantAnalysisHeader } from '../../view/variant-analysis/VariantAnalys
 import { VariantAnalysisStatus } from '../../remote-queries/shared/variant-analysis';
 
 export default {
-  title: 'Variant Analysis Header',
+  title: 'Variant Analysis/Variant Analysis Header',
   component: VariantAnalysisHeader,
   decorators: [
     (Story) => (