feat(android): add expo-splash-screen support and patch-package integration

- Add expo-splash-screen dependency and plugin configuration
- Add postinstall script to automatically apply patches
- Update Android icon assets (foreground and monochrome)
- Add marginTop style to PostCard actions container

src/components/business/PostCard/PostCard.tsx

@@ -255,6 +255,7 @@ function createPostCardStyles(colors: AppColors) {
       flexDirection: 'row',
       justifyContent: 'space-between',
       alignItems: 'center',
+      marginTop: spacing.sm,
     },
     actionsLeading: {
       flexDirection: 'row',