docs: add code_of_conduct for python sdk

[bhuvan-somisetty]

Description:
Adds a Code of Conduct document for the Python SDK.

Changes:

• created docs/sdk_developers/code_of_conduct.md
• added contributor behavior and communication guidelines

Fixes #2145

Notes for reviewer:

• document is intentionally concise and beginner-friendly

• changes are limited to the requested documentation addition

• commit is GPG signed and DCO compliant
  Checklist

• Documented (Code comments, README, etc.)

• Tested (unit, integration, etc.)

[codacy-production]

Up to standards ✅

🟢 Issues 0 issues

Results:
0 new issues

View in Codacy

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: ASSERTIVE

Plan: Pro

Run ID: d4cbd357-1b76-4420-b304-00cfa65cb0a2

📥 Commits

Reviewing files that changed from the base of the PR and between e9af587 and 30b947d.

📒 Files selected for processing (1)

• docs/sdk_developers/code_of_conduct.md

Walkthrough

Added a new Code of Conduct for the Python SDK at docs/sdk_developers/code_of_conduct.md that specifies contributor expectations, positive standards, unacceptable behavior, contribution workflow (references CONTRIBUTING.md), communication norms, and maintainer enforcement actions; includes a link to the Hiero community CoC.

Changes

Cohort / File(s)	Summary
Documentation Addition docs/sdk_developers/code_of_conduct.md	New Code of Conduct document detailing community expectations, positive/negative behavior standards, contribution workflow and commit-signing requirements (references CONTRIBUTING.md), communication norms, and enforcement policy; includes Hiero CoC link.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~5 minutes

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 inconclusive)

Check name	Status	Explanation	Resolution
Out of Scope Changes check	❓ Inconclusive	The PR is limited to the requested documentation file addition (docs/sdk_developers/code_of_conduct.md) with no unrelated changes; however, the PR description notes unchecked checklist items and there were workflow failures related to pre-commit hooks and linting.	Verify that linting has been addressed and all CI checks pass before merging, as pre-commit hook failures were previously reported.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and concisely summarizes the main change: adding a Code of Conduct document for the Python SDK.
Description check	✅ Passed	The description directly relates to the changeset, explaining the addition of the Code of Conduct document and related guidelines.
Linked Issues check	✅ Passed	The PR successfully addresses all core requirements from issue #2145: creates a concise, beginner-friendly Code of Conduct document with conduct requirements, inclusivity principles, communication guidelines, and contribution workflow references.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

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View plan used: #2145

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[coderabbitai]

Actionable comments posted: 2

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: ASSERTIVE

Plan: Pro

Run ID: 95968789-7172-42cd-a4c0-628771bbf01b

📥 Commits

Reviewing files that changed from the base of the PR and between a046740 and 5459592.

📒 Files selected for processing (1)

• docs/sdk_developers/code_of_conduct.md

[bhuvan-somisetty]

Updated the reference section to include a direct inline link to the Hiero Community Code of Conduct.

[exploreriii]

Nice work once again @bhuvan-somisetty !

[exploreriii]

Hi the workflow failed, you forgot to enable the pre commit hook and ensure all is linted
Thanks!
https://github.com/hiero-ledger/hiero-sdk-python/blob/main/docs/sdk_developers/ruff.md

[bhuvan-somisetty]

All requested changes have been addressed and pre-commit checks are passing. Kindly review and approve.

[coderabbitai]

Actionable comments posted: 1

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: ASSERTIVE

Plan: Pro

Run ID: 1d22e4f3-39b5-45d7-a72f-9f02e855edba

📥 Commits

Reviewing files that changed from the base of the PR and between 0433d11 and e9af587.

📒 Files selected for processing (1)

• docs/sdk_developers/code_of_conduct.md