update readme
update readme

[#122539691]
logsearch/logsearch-boshrelease,cloudfoundry-community/logsearch-boshrelease,logsearch/logsearch-boshrelease,cloudfoundry-community/logsearch-boshrelease,cloudfoundry-community/logsearch-boshrelease,axelaris/logsearch-boshrelease,logsearch/logsearch-boshrelease,axelaris/logsearch-boshrelease,axelaris/logsearch-boshrelease,logsearch/logsearch-boshrelease,cloudfoundry-community/logsearch-boshrelease,axelaris/logsearch-boshrelease