OpenZeppelin/daml-lint: test-fixtures/bad_patterns.daml

Daml contract source - OpenZeppelin/daml-lint/test-fixtures/bad_patterns.daml ```daml module Splice.Round where import DA.Time -- Detector #1: missing ensure on Decimal fields template OpenMiningRound with admin : Party amuletPrice : Decimal tickDuration : Decimal round : Int where signatory admin e