Golangci linnt setup test

[darrenvechain]

Description

Please include a summary of the changes and the related issue. Please also include relevant motivation and context. List any dependencies that are required for this change.

Fixes # (issue)

Type of change

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• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

• Test A
• Test B

Test Configuration:

• Go Version:
• Hardware:
• Docker Version:

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• New and existing E2E tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules
• I have not added any vulnerable dependencies to my code

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PR-Codex overview

This PR focuses on adding linting for Go code using golangci-lint. The notable changes include adding a .golangci.yml config file, a GitHub Actions workflow file for linting, and updating the CONTRIBUTING.md file with information about code linting.

Detailed summary

• Added .golangci.yml config file for linting
• Added GitHub Actions workflow file lint-go.yaml for linting on push and pull_request events
• Updated CONTRIBUTING.md file with information about code linting using golangci-lint

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