- Add GPL-3.0 license with copyright notice (2026 VikingOwl)
- Update license badge from MIT to GPL-3.0
- Add copyright to license section
- Remove completed roadmap items (system prompts, search, shortcuts, export)
- Add Hugging Face integration to roadmap
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
