create one demo day slide

[tkonheiser]

User story

1. As a project team
2. We need a demo day slide
3. So that our project can be introduced on the demo day

Acceptance criteria

• one overview slide of our project is created
• the slide is a landscape PDF of proportions 16:9
• the slide is uploaded to the Deliverables folder (sprint-12/demo-day-slide.pdf)

Definition of done (DoD)

• Acceptance criteria are met.
• Work products are uploaded to the Github repository.
• A pull request is created for each related branch.
• The work products in the pull requests are reviewed.
• The corresponding branches are merged and closed.
• The bill of materials section of the planning documents is updated.
• All defined conventions are complied with.

DoD general criteria

• Feature has been fully implemented
• Feature has been merged into the mainline
• All acceptance criteria were met
• Product owner approved features
• All tests are passing
• Developers agreed to release