Feature/lab3

[Aleliya]

Goal

Completed Lab 3 on configuring CI/CD using GitHub Actions. Added a basic workflow with automatic and manual startup, which outputs information about the runner's system.

Changes

• The workflow file has been added .github/workflows/lab3-ci.yml with basic configuration
• Steps have been implemented to output basic information and collect runner system data
• Added triggers: push (automatic start) and workflow_dispatch (manual start)
• Added a file with labs/submission3.md responses with proof of completion of tasks

Testing

• Go to the repository on GitHub → Actions → "Lab 3 CI Pipeline"
• Select feature/lab3 branch → Run
• Make sure that all the steps are completed successfully

Checklist:

• Clear title and description
• Documentation/README updated if needed
• No secrets or large temporary files

• Task 1 done
• Task 2 done