prosimplecoding

Results 4 issues of prosimplecoding

Added instruction: - How to edit roadmap? - Add links to roadmap. - Export roadmap to PDF file. ![10 07](https://user-images.githubusercontent.com/36481166/42503682-be3ed120-8452-11e8-8002-fea76439fd4a.jpg)

1. Update XML file for clickable PDF. 2. Fixed problem: importing XML from GitHub to draw.io.

Links **without:** - underlines; - blue color of the font;