Added maimai DX FESTiVAL PLUS support

- Added Card Maker support for FESTiVAL PLUS
- Bumped SDEZ database to version 8
- Updated docs for FESTiVAL PLUS

core/data/schema/versions/SDEZ_7_rollback.sql

@@ -0,0 +1,10 @@
+ALTER TABLE mai2_profile_detail
+    DROP COLUMN mapStock;
+
+ALTER TABLE mai2_profile_extend
+    DROP COLUMN selectResultScoreViewType;
+
+ALTER TABLE mai2_profile_option
+    DROP COLUMN outFrameType,
+    DROP COLUMN touchVolume,
+    DROP COLUMN breakSlideVolume;

core/data/schema/versions/SDEZ_8_upgrade.sql

@@ -0,0 +1,10 @@
+ALTER TABLE mai2_profile_detail
+    ADD mapStock INT NULL AFTER playCount;
+
+ALTER TABLE mai2_profile_extend
+    ADD selectResultScoreViewType INT NULL AFTER selectResultDetails;
+
+ALTER TABLE mai2_profile_option
+    ADD outFrameType INT NULL AFTER dispCenter,
+    ADD touchVolume INT NULL AFTER slideVolume,
+    ADD breakSlideVolume INT NULL AFTER slideVolume;