RestEnvironment: derive Clone

src/server/environment.rs

@@ -4,6 +4,7 @@ use std::collections::HashMap;
 use serde_json::Value;
 
 /// Encapsulates information about the runtime environment
+#[derive(Clone)]
 pub struct RestEnvironment {
     env_type: RpcEnvironmentType,
     result_attributes: HashMap<String, Value>,