Update carousels, card hover, and IranBay branding.

Co-authored-by: Cursor <cursoragent@cursor.com>

database/wait-for-postgres.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+CONTAINER="${POSTGRES_CONTAINER:-ariyaway-postgres}"
+DB_USER="${POSTGRES_USER:-ariyaway}"
+DB_NAME="${POSTGRES_DB:-ariyaway}"
+MAX_ATTEMPTS="${POSTGRES_WAIT_ATTEMPTS:-30}"
+
+for ((i = 1; i <= MAX_ATTEMPTS; i++)); do
+  if docker exec "$CONTAINER" pg_isready -U "$DB_USER" -d "$DB_NAME" >/dev/null 2>&1; then
+    echo "Postgres is ready."
+    exit 0
+  fi
+  echo "Waiting for Postgres ($i/$MAX_ATTEMPTS)…"
+  sleep 1
+done
+
+echo "Postgres did not become ready in time." >&2
+exit 1