[DOC]: contributions guidelines

[iulusoy]

Location of the documentation

https://github.com/ssciwr/biocypher/blob/restructure-docs/docs/community/contribute.md

Documentation problem

Page has been highlighted as redundant but does not link back to actual page.

Suggested fix for documentation

Harmonize with documentation repo.

Code of Conduct

• I agree to follow this project's Code of Conduct