[FEATURE] Add contributing guidelines

[Panquesito7]

Detailed description

With a contributing guidelines file, contributors to our repository will know easier how can they add new quality, understandable, and correct implementations to our repository.

Context

This will make it easier for the community to make contributions easier.

Possible implementation

No response

Additional information

No response

[appgurueu]

s/implementations/explanations

Things that definitely belong in such a guideline:

• Use proper Markdown for formatting - don't use CAPS
• Check your grammar and spelling; check for typos
• Try to structure your explanation

[github-actions]

This issue has been automatically marked as abandoned because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[github-actions]

This issue has been automatically marked as abandoned because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[github-actions]

This issue has been automatically marked as abandoned because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[github-actions]

This issue has been automatically marked as abandoned because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.