[WIP] Prepare repository for Hacktoberfest contributions

[Copilot]

• Create CONTRIBUTING.md with contribution guidelines
• Create CODE_OF_CONDUCT.md (required for Hacktoberfest)
• Create .github/ISSUE_TEMPLATE/ with bug report and feature request templates
• Create .github/PULL_REQUEST_TEMPLATE.md
• Create .github/workflows/ci.yml for basic CI checks (linting, validation)
• Create .gitignore file for common exclusions
• Enhance README.md with project description, setup, and contribution info
• Add Hacktoberfest-specific labels configuration

Original prompt

i want to make this repo to be hacktober friendly, and want for the open contribution, so make all the necessary check , CI/CD things for the hacktober to be accepted

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