allow `listElementCount` to be 0 in config#129

ardeois merged 1 commit intoardeois:mainardeois/graphql-codegen-typescript-mock-data:mainfrom

gurschitz:fix/allow-zero-for-list-element-countgurschitz/graphql-codegen-typescript-mock-data:fix/allow-zero-for-list-element-countCopy head branch name to clipboard