wip: proper CRD structure from druid

Author: Vladislav Supalov

rust/crd/src/authentication.rs

@@ -33,6 +33,7 @@ pub enum Error {
 pub struct DruidAuthentication {
     /// TLS based client authentication (mutual TLS)
     pub tls: Option<DruidTlsAuthentication>,
+    //pub ldap: Option<DruidLdapAuthentication>,
 }
 
 #[derive(Clone, Debug, Deserialize, JsonSchema, Serialize)]
@@ -41,6 +42,12 @@ pub struct DruidTlsAuthentication {
     pub authentication_class: String,
 }
 
+#[derive(Clone, Debug, Deserialize, JsonSchema, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct DruidLdapAuthentication {
+    pub authentication_class: String,
+}
+
 impl DruidAuthentication {
     pub async fn resolve(
         client: &Client,