[New Features]
1. Add item discount rate setting.
2. Add 'discount' to 'editAll' command.

[improvement]
1. Improved so that changing the store name is also reflected on the start page.
2. Improved shop selection UI in the start page button editor.
3. Separate text keys for JobPoint and PlayerPoint.

[bug fix]
1. Fixed a problem where the unique name, description, and page count data of the rotation store did not respond correctly to the '/ds reload' command.
2. Fixed an issue where the stock-related text was displayed even when the 'hideStock' flag was enabled.

Other minor fixes and improvements.