Watermark indicator on chart like trading view

I propose to introduce a feature allowing users to write notes directly on charts, using a watermark indicator.

This functionality would offer several advantages:

1. Ease of use: Traders can add notes directly to charts, simplifying the analysis and decision-making process.

2. Customization: Using a watermark indicator, users can personalize their annotations according to their preferences, adjusting the size, color and position of the text.

3. Increased productivity: This feature would allow traders to centralize their annotations on the trading platform.

This is a sample :