master
feat(frontend): add achievements UI
feat: submit move, skip turn, words_count fix, and yo/e normalization
feat: friend invites via Telegram startapp deep links
fix(game): end game when board is full; fix adjacency check for letters; fix frontend network and board cell sizing
feat(rating): display ELO rating in frontend
fix: start bot game immediately when quick match queue is empty
feat: player statistics endpoint and lobby stats modal
add svelte frontend with docker support and fix pgcrypto migration