On Day 11 of 24 Days In Umbraco, @HFloyd has written "Using Umbraco UI Builder to Edit Data Stored Locally in JSON Files":

https://24days.in/umbraco-cms/2024/uibuilder-json/

#24DaysInUmbraco

Using Umbraco UI Builder to Edit Data Stored Locally in JSON Files - 24 Days In Umbraco

The Umbraco UI Builder Add-in is a great tool to give your Umbraco users the ability to view and edit data which isn’t stored in an Umbraco node while using the familiar back-office environment with just a small amount of code and configuration. The documentation provides a how-to guide to connect to SQL Server database tables, but what if your data is stored in a text file? Here's a tutorial on how to do just that.