added simulation principles page

Home.md

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 # Welcome !
 
-This wiki gives a (rough) short list of best practices for scientific simulation works. The most important keywords are *reproducibility*, *organization*, *durability* and *efficiency*. If you follow the advice of this wiki, you should be able to move the pain out of running simulations. Have a read at the topics below:
+This wiki gives a (rough) short list of best practices for scientific simulation
+works. The most important keywords are *reproducibility*, *organization*,
+*durability* and *efficiency*. This wiki proposes solutions to attain these
+goals when doing simulation work (although some solutions can effectively be
+used beyond simulations, e.g. for experimental data).
+
+The intended readership of this wiki is:
+
+- New PhD students working on simulations for their thesis. They will benefit
+  from most of the pages in this wiki and are required to implement [good
+  simulations practices](Research-simulation)
+- Interns working on simulations or just using code in general. They will find
+  helpful advice on how to manage code, data and workflows.
+- Anyone interested in code, workflow and/or data management.
+
+> **Disclaimer**: this wiki is not meant as a tutorial for the software that is
+> referenced. The reader is expected to document themselves thoroughly whenever
+> a particular solution is proposed, to experiment for themselves, and to ask
+> their advisor, or more experienced colleagues, when in doubt.
 
 ## Table of contents
-- [Computing environment](Computing-environment)
+- [Research simulation good practices](Research-simulation): a list of
+  high level principles that should always be applied when running simulations
+- [Computing environment](Computing-environment): setting up a lasting hassle-free
+  computing environment
 - [Workflow management](Workflow-management)
 - [Data management](Data-management)

Research-simulation.md

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+# Good simulation practices