feat: show diff in schema checks#11

DaniAkash wants to merge 5 commits intomainwundergraph/cosmo:mainfrom

dani/eng-3681-show-diff-in-schema-check-if-we-have-a-previous-schemawundergraph/cosmo:dani/eng-3681-show-diff-in-schema-check-if-we-have-a-previous-schemaCopy head branch name to clipboard