Deploy Longhorn on Azure Cobalt 100 Arm64 virtual machines

[odidev]

1. Install and configure K3s Kubernetes on Azure Cobalt 100 Arm64 virtual machines
2. Deploy and configure Longhorn distributed block storage on Arm64
3. Create and manage Kubernetes Persistent Volumes using Longhorn
4. Benchmark Kubernetes storage performance using fio

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Signed-off-by: odidev odidev@puresoftware.com.