Update .vscode/README.md to clarify PostgreSQL Client requirements, specifying it is necessary for users opting to use PostgreSQL as their database. This enhances the documentation for better user understanding.

Author: tosettil-polimi

.vscode/README.md

@@ -53,7 +53,7 @@ Before using the debugger, make sure you have installed:
 
   **Other platforms:** Download from [yq releases](https://github.com/mikefarah/yq/releases)
 
-- **PostgreSQL Client (psql)** - Required for database cleanup operations:
+- **PostgreSQL Client (psql)** - Required if you want to use PostgreSQL as database
 
   **macOS:**