ongeki: card maker config added, small fixes, improved credits

- Changed the credits config to the default 370 instead of 360
- Added `start_date` to the events to show new events
- Fixed Card Maker Gachas to only allow "Select Gacha" once
- Fixed the `get_profile_rating_log` database query

titles/ongeki/schema/static.py

@@ -16,6 +16,7 @@ events = Table(
     Column("eventId", Integer),
     Column("type", Integer),
     Column("name", String(255)),
+    Column("startDate", TIMESTAMP, server_default=func.now()),
     Column("enabled", Boolean, server_default="1"),
     UniqueConstraint("version", "eventId", "type", name="ongeki_static_events_uk"),
     mysql_charset="utf8mb4",