feat: vendor pages /vendor/<slug> with SEO, sitemap updated, links from main

zkart_app/db.py

@@ -411,7 +411,7 @@ def fetch_scope_data(scope: str) -> dict:
     conn = get_db()
     vendors = [dict(r) for r in conn.execute(
         f"SELECT id, name, COALESCE(logo,'') as logo, COALESCE(description,'') as description, "
-        f"COALESCE(website,'') as website, COALESCE(mont_page,'') as mont_page "
+        f"COALESCE(website,'') as website, COALESCE(mont_page,'') as mont_page, COALESCE(slug,'') as slug "
         f"FROM {tables['vendors']} ORDER BY lower(name)"
     )]
     categories = [dict(r) for r in conn.execute(f"SELECT id, name FROM {tables['categories']} ORDER BY lower(name)")]