refactor: new project struct (#8199)

packages/frontend/web -> packages/frontend/apps/web
packages/frontend/mobile -> packages/frontend/apps/mobile
packages/frontend/electron -> packages/frontend/apps/electron

packages/frontend/apps/electron/renderer/shell/shell.tsx

@@ -0,0 +1,22 @@
+import { AppFallback } from '@affine/core/components/affine/app-container';
+import { useAppSettingHelper } from '@affine/core/hooks/affine/use-app-setting-helper';
+import { AppTabsHeader } from '@affine/core/modules/app-tabs-header';
+import { SplitViewFallback } from '@affine/core/modules/workbench/view/split-view/split-view';
+
+import * as styles from './shell.css';
+
+export function ShellRoot() {
+  const { appSettings } = useAppSettingHelper();
+  const translucent =
+    environment.isElectron &&
+    environment.isMacOs &&
+    appSettings.enableBlurBackground;
+  return (
+    <div className={styles.root} data-translucent={translucent}>
+      <AppTabsHeader mode="shell" className={styles.appTabsHeader} />
+      <AppFallback className={styles.fallbackRoot}>
+        <SplitViewFallback className={styles.splitViewFallback} />
+      </AppFallback>
+    </div>
+  );
+}