Implement localized store

[RodoMa92]

Please tick as appropriate:

• [ ] I have tested this code on a steam deck or on a PC
• [ ] My changes generate no new errors/warnings
• [ ] This is a bugfix/hotfix
• [x] This is a new feature

Description

This fixes issue: #560

Test implementation for a simple renaming of localized fields to Decky Loader. Need testing.