Major update for v1 and tests

src/components/sidebar/index.js

@@ -1,5 +1,9 @@
 export { Sidebar } from './Sidebar';
+export { ShirtOptionsPanel } from './ShirtOptionsPanel';
 export { UploadTab } from './UploadTab';
 export { StickersTab } from './StickersTab';
+export { EmojiTab } from './EmojiTab';
 export { TextTab } from './TextTab';
 export { TemplatesTab } from './TemplatesTab';
+// BackgroundRemovalButton has moved to ../canvas/. Import it from
+// '../canvas/BackgroundRemovalButton' or via canvas/index.js.