adding documentation links to PR template
adding documentation links to PR template

jimmycd/liquibase,liquibase/liquibase,liquibase/liquibase,mattbertolini/liquibase,jimmycd/liquibase,liquibase/liquibase,fossamagna/liquibase,mattbertolini/liquibase,fossamagna/liquibase,mattbertolini/liquibase,fossamagna/liquibase,jimmycd/liquibase,mattbertolini/liquibase,jimmycd/liquibase