As a user i want to see a relationship matrix

[samatstariongroup]

Prerequisites

• I have written a descriptive issue title
• I have verified that I am running the latest version of reqifviewer
• I have searched open and closed issues to ensure it has not already been reported

Description

• choose spec relation type
• grab all specobjects that are related with the selected spec relation type
• show a grid x/y where on both axis spec objects are listed an on the cell where there is a relationship display an arrow (with proper direction) -> see COMET

Steps to Reproduce

NA

System Configuration

• ReqIFSharp version: 5.0.0-rc2
  • reqifviewer: 0.2.0