Update carousels, card hover, and IranBay branding.

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

database/migrations/006_website_home_media.sql

@@ -0,0 +1,10 @@
+-- Homepage media config for the public website (slider, banners, categories, about).
+
+CREATE TABLE IF NOT EXISTS website_settings (
+  key TEXT PRIMARY KEY,
+  value JSONB NOT NULL DEFAULT '{}'::jsonb,
+  updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+COMMENT ON TABLE website_settings IS
+  'Key/value JSON settings for marketplace website content.';