Update README.md

Author: alahiff

examples/SU2/README.md

@@ -0,0 +1,23 @@
+# SU2
+
+This example is taken from https://su2code.github.io/tutorials/Inviscid_ONERAM6/.
+
+Setup a Python virtual environment:
+```
+python3 -m venv venv
+source ./venv/bin/activate
+```
+Install Simvue:
+```
+pip install simvue
+```
+Download and install the appropriate version of SU2, e.g. on Linux:
+```
+wget https://github.com/su2code/SU2/releases/download/v7.0.2/SU2-v7.0.2-linux64-mpi.zip
+unzip SU2-v7.0.2-linux64-mpi.zip
+```
+Download the required files:
+```
+wget https://raw.githubusercontent.com/su2code/Tutorials/master/compressible_flow/Inviscid_ONERAM6/inv_ONERAM6.cfg
+wget https://github.com/su2code/Tutorials/raw/master/compressible_flow/Inviscid_ONERAM6/mesh_ONERAM6_inv_ffd.su2
+```