add Button component and Storybook configuration

.storybook/preview.js

@@ -0,0 +1,22 @@
+import "./preview.css";
+import { INITIAL_VIEWPORTS } from "storybook/viewport";
+import { CUSTOM_VIEW_PORTS } from "./constants.ts";
+
+const preview = {
+	parameters: {
+		controls: {
+			matchers: {
+				color: /(background|color)$/i,
+				date: /Date$/i,
+			},
+		},
+		backgrounds: {
+			default: "darky",
+			values: [{ name: "darky", value: "#0b121a" }],
+		},
+		viewport: {
+			options: { ...CUSTOM_VIEW_PORTS, ...INITIAL_VIEWPORTS },
+		},
+	},
+};
+export default preview;