Update README.md

minor cleanup

Author: j-i-l

README.md

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 #### Shared compute ecosystems
 
-- Become aware that non‑virtualized approaches exist (bare‑metal provisioning, PXE, dedicated nodes).  
+- Become aware that non‑virtualized approaches exist (bare‑metal provisioning, dedicated nodes).  
 - Gain a high‑level overview of common sharing approaches (IaaS, PaaS, SaaS, HPC).  
 - Recognize multi‑tenancy implications: quotas, noisy neighbors, resource contention.
 
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 - Get acquainted with Terraform (provisioning) and Ansible (configuration).  
 - Learn to set up a basic IaC‑driven VM lifecycle: plan → apply → change → destroy.
 
-
 #### On-demand cloud usage (towards a cluster-like usage pattern)
 
 - Learn the pattern of attaching VM/container lifecycles to computational workloads (ephemeral compute).  
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-
-### Practical examples:
-
-1. Deeplearning with pytorch lightning and SLURM
-2. Example with external database (caching to scratch)
-3. Simple project including provisioning, container build + deploy, automated execution and cleanup.
-