Demo proposal - Real-Time testing of a video game (#1581)

* Add README for demo

* moved the readme

* fixed readme

contributions/demo/week2-testing-and-CI/rahimz-sandner/README.md

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+# Assignment Proposal
+
+## Title
+
+Real-Time testing of a video game
+
+## Names and KTH ID
+
+- Noah Rahimzadagan (rahimz@kth.se)
+- Leon Sandner (sandner@kth.se)
+
+## Deadline
+
+Deadline for task 1
+
+## Category
+
+Demo
+
+## Description
+
+When testing real-time systems, using conventional static testing methods is not enough.<br>
+You need to do: Task testing, Behavioral testing, Intertask testing and System testing.<br>
+We will demo those 4 different ways of testing, by adding tests to a video game and running those tests live.<br>
+We will further explain real-time system testing a bit more