Update README.md

README.md

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 # aws-parallelcluster-rsw
 An opinionated setup of RSW for the use with AWS ParallelCluster
+
+# QuickStart
+
+## python venv (one time setup) 
+
+```
+python3 -m venv aws-parallelcluster
+source aws-parallelcluster/bin/activate
+pip install --upgrade pip
+pip install aws-parallelcluster 
+```
+
+Once done, a `source aws-parallelcluster/bin/activate` will activate the `venv`, a simple `deactivate` will deactivate it again. 
+
+
+## Edit config variables
+
+Edit lines 3 to 9 of `deploy.sh` to reflect the appropriate details of your environment. 
+
+## Start the deployment 
+
+Run `./deploy.sh`. This will copy scripts and config files to the existing S3 bucket and trigger the installation of the HPC cluster. 
+
+
+# More information 
+
+See [docs](./docs) folder.