npm Registry Optimization

Description

**THE VIRAL LOOP:**
```
Developer searches npm for blockchain tools
→ NEAR tools appear prominently
→ Developer installs NEAR tool
→ Developer exposed to NEAR
```

**Deliverables:**
1. Keyword optimization for all NEAR packages
2. README quality improvements
3. Badge additions
4. Cross-linking

**Success Metrics:** NEAR tools in top results for relevant queries