CircleCI Arm Native Workflows on AWS Graviton2 (EC2)

[odidev]

1. Provision an AWS EC2 Graviton2 Arm64 virtual machine
2. Install and configure CircleCI self-hosted machine runners on Arm64
3. Verify the runner by running a simple workflow and test computation
4. Define and execute CircleCI job using a machine executor
5. Check CPU architecture and execute a basic script to confirm if the runner is operational
6. Display CPU information and validate outputs from the sample computation

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

[annietllnd]

@jasonrandrews can merge into main for technical review