PoW: Add pool mining #1230
Description
When mining pools for BLAKE3 lauch, we can reinstate some of the old docs removed in #1228. Namely:
- Comparing Pool vs Solo mining
- Configuration for pool mining
- Choosing a pool:
- Payout method (PPS vs PPLNS)
- Pool fee
- Geographic location of the pool
- Ping time to the server
- User interface
- Statistics/data
- Customer support
- Community
- Smaller pool to distribute the hashrate more widely