Add empty lines between segments in the output

Problem/Motivation

Segments like paragraphs should have an empty line between them for better final prompt visual layout.

Workaround until then: add line manually to each segment.

Steps to reproduce

Proposed resolution

Options:

• It could be a checkbox, to enable or disable this feature on the prompt. Enabled by default.
• It could be a checkbox, to enable or disable this feature on the each segment. Enabled by default.
• Line could be added by default non configurable. [done]

Remaining tasks

User interface changes

API changes

Data model changes