Implement Leaderboard Service#29

Open

VishakhaSainani-Josh wants to merge 3 commits intofeat/transaction-servicefrom

feat/leaderboard-service

Commits on Jul 7, 2025

implement leaderboard feature
VishakhaSainani
committed

Commits on Jul 14, 2025

rename GetUserRanks to ListUserRank and get value from context in handler itself
VishakhaSainani
committed
create index for users_current_balance
VishakhaSainani
committed