Cleanup Storybook configuration

.storybook/main.ts

@@ -1,16 +1,16 @@
 import type { StorybookConfig } from '@storybook/nextjs';
 
 const config: StorybookConfig = {
+  core: {
+    disableWhatsNewNotifications: true,
+    disableTelemetry: true,
+    enableCrashReports: false,
+  },
   stories: ['../components/**/*.(stories|story).@(js|jsx|ts|tsx)'],
-  addons: [
-    '@storybook/addon-essentials',
-    'storybook-dark-mode',
-    '@storybook/addon-styling-webpack',
-  ],
+  addons: ['storybook-dark-mode'],
   framework: {
     name: '@storybook/nextjs',
     options: {},
   },
 };
-
 export default config;

.storybook/preview.tsx

@@ -6,6 +6,13 @@ import { DARK_MODE_EVENT_NAME } from 'storybook-dark-mode';
 import { MantineProvider, useMantineColorScheme } from '@mantine/core';
 import { theme } from '../theme';
 
+export const parameters = {
+  layout: 'fullscreen',
+  options: {
+    showPanel: false,
+  },
+};
+
 const channel = addons.getChannel();
 
 function ColorSchemeWrapper({ children }: { children: React.ReactNode }) {