Add new file

test/cordex-cmip6/README.txt

+1. Open a terminal, `source activate /work/bm0021/conda-envs/cloudify`
+2. Change into this directory, modify and run `host.py`
+3. Open another terminal, change into this directory.
+4. Get swift tokens for bb1364 and store them in a `mytoken.py`file
+5. module load python3/unstable
+6. Modify and run `generate_plots_into_swift.py`
+7. Modify and run `generate_table_app.py`
+8. Run `mime.sh`
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