feat: a link in download section

apps/products/release_context.py

@@ -13,6 +13,14 @@ def package_button_labels(product):
     }
 
 
+def downloads_section_link(product):
+    url = (getattr(product, "downloads_section_link_url", "") or "").strip()
+    text = (getattr(product, "downloads_section_link_text", "") or "").strip()
+    if url and text:
+        return {"url": url, "text": text}
+    return None
+
+
 def featured_version(qs):
     ordered = qs.order_by("order", "pk")
     cand = ordered.filter(is_featured_stable=True).first()
@@ -38,6 +46,7 @@ def build_release_context(distribution, active_versions, product):
         "show_older_versions_link": False,
         "package_versions": [],
         **package_button_labels(product),
+        "downloads_section_link": downloads_section_link(product),
     }
 
     if distribution == DISTRIBUTION_INSTALLABLE: