Tutorial documentation

doc/loadtestscenario/README.md

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+# Load Test scenario
+
+A load test scenario is different than a unit test. In a load test, the goal is to mimic the production:
+
+* in term on process instance creation
+* in term of service task, using the real service task or simulate it
+
+A load test scenario will set up an environment, and run it for a delay (like 30 mn) and check
+throuput objectives. This is for example a load test scenario
+
+* Create 10 process instances par minutes in the process "Loan application"
+* simulate the service task "GetCreditScore": each execution needs 2 minutes to complete. 
+Run 2 workers on this service task, and for each worker, 10 threads. 
+The worker will return in 80% a credit score lower than 500.
+* Check the objective that 10 process instances can be completed every minutes   
+
+* Because the GetCreditScore is a 2 minutes execution, on the first two minutes, the throuput will be 0 
+(no process instance will be completed), so a warmup of 3 minutes is necessary before monitoring 
+the objective
+
+Process Automator execute processes on a platform. Some services may be available on the platform, so
+it is needed to simulate only the missing piece. On the opposite, if all services are available, the 
+scenario will just creates process instances and check objectives.
+
+## Tutorial
+A complete example to run a scenario, and change the Zeebe Parameters to reach the expecting delay is
+available in the (Tutorial)[Tutorial.md]
+
+## Create process instance
+
+## Simulate a service task
+
+## Simulate a user task
+
+## Objectives
+