Epic: Community & Templates

[flyingrobots]

Context

Provide contributor docs and templates to improve issue/PR quality.

Acceptance

• CONTRIBUTING.md
• CODE_OF_CONDUCT.md
• Issue templates (Bug, Spec Change, Docs Task, Compliance Task)
• PR template (schema validates, links checked, decisions referenced)
• Labels.md (taxonomy and usage)

[flyingrobots]

[soft-deps] v1

This task has soft dependencies on #3 (Spec Freeze RC), #4 (JSON Schemas), #5 (Examples Pack), #6 (Compliance Suite v1), #7 (Docs Site), and #8 (CI & Validation): governance and security docs reference these outputs, but drafting can begin in parallel.