Refactor profile screen and organize project structure

- Extract ProfileScreen and components to features/profile
- Move shared hooks and stores to top-level
- Add RLS policies for admin permissions
- Add RELEASING.md guide
- Update .gitignore

apps/mobile/src/components/ui/index.ts

@@ -3,3 +3,11 @@ export { GlassCard } from './GlassCard';
 export { GlassButton } from './GlassButton';
 export { GlassInput } from './GlassInput';
 export { ShimmerEffect } from './ShimmerEffect';
+export { DecorativeSeparator } from './DecorativeSeparator';
+export type { DecorativeSeparatorProps, SeparatorVariant } from './DecorativeSeparator';
+export { LoadingOverlay } from './LoadingOverlay';
+export type { LoadingOverlayProps, LoadingVariant } from './LoadingOverlay';
+export { ReadReceipt, getReceiptStatus } from './ReadReceipt';
+export type { ReadReceiptProps, ReceiptStatus } from './ReadReceipt';
+export { AmbientOrbs } from './AmbientOrbs';
+export type { AmbientOrbsProps, OrbVariant, OrbPosition } from './AmbientOrbs';