A community based topic aggregation platform built on atproto

docs: fix numbered list in development guidelines

Corrected step numbering that jumped from 3 to 5.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

+1 -1
+1 -1
PROJECT_STRUCTURE.md
··· 50 50 1. **Start with Lexicons**: Define data schemas first 51 51 2. **Implement Core Domain**: Create models and interfaces 52 52 3. **Build Services**: Implement business logic 53 - 5. **Wire XRPC**: Connect handlers last 53 + 4. **Wire XRPC**: Connect handlers last