stratum working, implement mining pool, support "extranonce"

MINE/rin/QUICK_REFERENCE.md

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+# RinCoin Mining Quick Reference
+
+## 🚀 **Quick Commands:**
+
+### **Solo Mining (All Rewards to You)**
+```bash
+# Start solo mining proxy
+./MINE/rin/start_stratum_proxy.sh
+
+# Connect miner
+./cpuminer -a rinhash -o stratum+tcp://127.0.0.1:3333 -u user -p pass -t 28
+```
+
+### **Mining Pool (Distribute Rewards)**
+```bash
+# Start mining pool
+./MINE/rin/start_mining_pool.sh
+
+# Miners connect
+./cpuminer -a rinhash -o stratum+tcp://YOUR_IP:3333 -u username.workername -p x
+```
+
+### **Cleanup**
+```bash
+# Kill proxy/pool processes
+./MINE/rin/kill_stratum_proxy.sh
+```
+
+## 📊 **What Each Does:**
+
+| Command | Purpose | Rewards | Miners |
+|---------|---------|---------|--------|
+| `start_stratum_proxy.sh` | Solo mining | 100% to you | Single |
+| `start_mining_pool.sh` | Pool mining | Distributed | Multiple |
+
+## 🌐 **Web Dashboard (Pool Only)**
+- **URL**: `http://YOUR_IP:8080`
+- **Features**: Stats, miners, blocks, hashrate
+
+## ⚡ **Quick Test**
+```bash
+# Test solo mining
+./MINE/rin/start_stratum_proxy.sh &
+sleep 5
+./cpuminer -a rinhash -o stratum+tcp://127.0.0.1:3333 -u user -p pass -t 4
+```