docs: delete duplicate root CONTRIBUTING.md, add release-drafter ref to RELEASES.md#917

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Aaron ("AJ") Steers (aaronsteers) wants to merge 3 commits intomainfrom

devin/1771619414-fix-contributing-docs

Commits on Feb 20, 2026

docs: link root CONTRIBUTING.md to existing docs and add semantic-pr-release-drafter references

devin-ai-integration[bot]
and
Aaron ("AJ") Steers (aaronsteers)
committed
docs: delete duplicate root CONTRIBUTING.md, keep docs/CONTRIBUTING.md as canonical

devin-ai-integration[bot]
and
Aaron ("AJ") Steers (aaronsteers)
committed
docs: move semantic-pr-release-drafter reference from CONTRIBUTING.md to RELEASES.md

devin-ai-integration[bot]
and
Aaron ("AJ") Steers (aaronsteers)
committed