Add .circleci/config.yml

[Dargon789]

Summary by Sourcery

CI:

• Introduce CircleCI 2.1 pipeline with a ‘say-hello’ job using the cimg/base docker image and an echo step orchestrated in a workflow.

[sourcery-ai]

Reviewer's Guide

Introduces a basic CircleCI 2.1 pipeline by adding a new configuration that defines a simple Docker-based job and a workflow to run it.

File-Level Changes

Change	Details	Files
Specify CircleCI pipeline version	Set pipeline version to 2.1	.circleci/config.yml
Add 'say-hello' job with Docker executor and steps	Define Docker executor using cimg/base:current image Add checkout step to pull code Add run step to echo "Hello, World!"	.circleci/config.yml
Create workflow to orchestrate the job	Define 'say-hello-workflow' Include the 'say-hello' job in the workflow	.circleci/config.yml

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[sourcery-ai]

Hey @Dargon789 - I've reviewed your changes and they look great!

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