Generated placeholders to use raw sql queries with `pgx` driver
and implemented put/del peer and announce functions
* inline GCAware and StatisticsAware to PeerStorage
* fix redis doc configuration sample
* update dependencies
* add multiple addresses in request structures and frontend parsers
* move per-ip peer fetch/store from storage to internal hooks
* fetch/store both v1 and v2 info hashes
* remove peer argument from scrape swarm storage call
* replace Peer field with netip.Addr in ScrapeRequest
* add man for keydb storage
* update readme