Submit to awesome-go and awesome-selfhosted

[zeevdr]

Description

Submit OpenDecree to curated awesome lists for discoverability.

Acceptance criteria

• PR to awesome-go (Configuration category)
• PR to awesome-selfhosted (Configuration Management category)
• Verify requirements: 5+ months history, vX.Y.Z release, Go Report Card A-, 80%+ coverage, English README
• Consider awesome-grpc, awesome-kubernetes

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Migrated from zeevdr/decree#154

[zeevdr]

Removed from Go-to-Market milestone — awesome-go and awesome-selfhosted require projects to be at least 6 months old. Re-add to milestone once the project reaches that threshold.