Allow admin user and password to be configured via existing secrets Allow LDAP bindDn and bindPassword to be configured via existing secrets Update Readme Fixes: #169 Co-authored-by: Lucas Hahn <[email protected]> Reviewed-on: https://gitea.com/gitea/helm-chart/pulls/170 Reviewed-by: techknowlogick <[email protected]> Reviewed-by: Lunny Xiao <[email protected]> Co-authored-by: luhahn <[email protected]> Co-committed-by: luhahn <[email protected]>