Data Evaluation Web App

I need a web app to insert and evaluate text data. The data will be used to create a Gantt chart and generate an AI prompt.

Requirements:
- Support for plain text data input.
- Multiple users or teams should be able to input data.

Ideal Skills & Experience:
- Web app development
- Experience with Gantt chart integration
- AI prompt generation familiarity
- User authentication for multiple teams

Looking for a developer who can create an efficient and user-friendly interface.