[datahub-frontend] add global url prefix before http://localhost:9002

[zhengtingxue]

is it possible to add global url prefix before http://localhost:9002
such as http://localhost:9002/datahub;
i already add play.http.context = "/datahub" conf in application.yml,but assets ,graphql,track url can not get correct data

[github-actions]

This issue is stale because it has been open for 30 days with no activity. If you believe this is still an issue on the latest DataHub release please leave a comment with the version that you tested it with. If this is a question/discussion please head to https://slack.datahubproject.io. For feature requests please use https://feature-requests.datahubproject.io