T30+T31: add dapp is_new_version bool field, default false (V21, §I.getDapps)

app/main.py

@@ -108,6 +108,7 @@ def get_dapps():
                 "counter": d.counter,
                 "category_id": d.category_id,
                 "is_available_indonesia": d.is_available_indonesia,
+                "is_new_version": bool(d.is_new_version),
                 "created_at": d.created_at,
                 "updated_at": d.updated_at,
             }