setup instructions for mwe

examples/README.md

@@ -0,0 +1,9 @@
+```
+conda create -n synthfix python=3.10 pip
+git clone git@github.com:neuronets/nobrainer.git
+cd nobrainer
+pip install -e .
+git checkout synthseg_fix
+# please check the TODO in examples/mwe.py
+python examples/mwe.py
+```