Luckperms

[c1oneman]

Draft PR for luckperms support

Includes the following endpoints:

        pr.get("luckperms", api.getLuckpermsApi()::getLuckpermsInformation);
        pr.get("luckperms/groups", api.getLuckpermsApi()::getGroups);
        pr.post("luckperms/groups", api.getLuckpermsApi()::addGroup);
        pr.get("luckperms/user/{uuid}/groups", api.getLuckpermsApi()::getUserGroups);
        pr.get("luckperms/user/{uuid}/permissions", api.getLuckpermsApi()::getUserPermissions);
        pr.post("luckperms/user/{uuid}/groups/{group}", api.getLuckpermsApi()::addUserToGroup);
        pr.delete("luckperms/user/{uuid}/groups/{group}", api.getLuckpermsApi()::removeUserFromGroup);
        pr.post("luckperms/user/{uuid}/permissions", api.getLuckpermsApi()::addUserPermission);
        pr.delete("luckperms/user/{uuid}/permissions", api.getLuckpermsApi()::removeUserPermission);