Non-functional requirements
This is a type of section with its own editor where we list the non-functional requirements of the project.
To add it we select the type Non-functional requirements when adding section, then we can edit it by doing
double click on the name of the section (Ctrl + Enter). We will add non-functional requirements by clicking the insert button 
(Ctrl + Insert) we will write
the title of the requirement and then its description. We will validate by pressing the accept button or by means of the keys (Ctrl + Enter).
Above the requirements will be added, with the arrow buttons or keyboard access (Ctrl + ↑/↓), we can change the position of the selected requirement. Using the keys (Alt + D), or by pressing
the button, we can delete it.
Non-functional requirements editor
View of non-functional requirements in the documentsView of non-functional requirements in the documents
The style used for this section is the one we have in the predefined styles such as HeadRF for headers and TextRF for the descriptions. Styles are edited from project options.
