Clean up and finish final project release plan

[phildree]

User story

1. As a Team
2. I want our project release plan to be finalized
3. So that the chair can see what we have achieved during our weekly sprints

Acceptance criteria

• Final project release plan is cleaned up and finished and added to the planning docs

Definition of done (DoD)

• Feature is done when the acceptance criteria are fullfiled
• Feature is done when there are test where it is necessary and they pass
• Feature is done when the linter passes
• Feature is done when it is merged onto our main branch (after the code has been reviewed by at least one other person)
• Feature is done when the code has been documentend or commented properly

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