Add Name, Symbol, Decimals, Version to swap_pool Table

[williamluke4]

[kamikazechaser]

@williamluke4 This is the final schema for the indexer: https://github.com/grassrootseconomics/eth-indexer/blob/master/migrations/001_indexer_base.sql

After CEL2, the cic-graph table won't be required. But for now, I can add it.