For usage, see:
5d340ce24f/docs/zh-CN/docs/admin-manual/privilege-ldap/ranger.md
For range-doris-plugin, see:
https://github.com/morningman/ranger/tree/doris-plugin
To support ranger, there are several other modification:
1. Support `show resources like "pattern"`
2. Support `show workload group like "pattern"`
3. Support `show schemas like "pattern"`