fix: ongeki db migrations (field wall, adventure map)

src/main/resources/db/120/V1000_92__ongeki_160_compatibility.sql

@@ -0,0 +1,7 @@
+-- new field wall option field
+ALTER TABLE ongeki_user_option
+    ADD COLUMN field_wall INT NOT NULL DEFAULT 0;
+
+-- varchar(255) not enough for event map storage
+ALTER TABLE ongeki_user_event_map
+    MODIFY COLUMN map_data TEXT NULL;