OpenClaw Skill: NEAR On-Chain Analytics

Description

## Overview
Create an OpenClaw skill that provides on-chain analytics for NEAR - network stats, whale tracking, and trend analysis.

## Skill Commands

```python
@skill.command("near_analytics_network")
async def network_stats() -> dict:
"""Get network-wide statistics"""

@skill.command("near_analytics_whales")
async def whale_activity(min_amount: float = 10000) -> list:
"""Track whale transactions"""

@skill.command("near_analytics_trending")
async def trending_contracts() -> list:
"""Get trending contracts by usage"""

@skill.command("near_analytics_defi")
async def defi_tvl() -> dict:
"""Get DeFi TVL across protocols"""
```

## Deliverables
1. **Analytics skill**
2. **Network metrics**
3. **Whale tracking**
4. **Published to MoltHub**

## Budget: 8 NEAR