Started work on fullfillment of requests

google-home/src/response/execute.rs

@@ -1,13 +1,13 @@
 use serde::Serialize;
+use serde_with::skip_serializing_none;
 
 use crate::response::State;
 
+#[skip_serializing_none]
 #[derive(Debug, Serialize)]
 #[serde(rename_all = "camelCase")]
 pub struct Payload {
-    #[serde(skip_serializing_if = "Option::is_none")]
     pub error_code: Option<String>,
-    #[serde(skip_serializing_if = "Option::is_none")]
     pub debug_string: Option<String>,
     commands: Vec<Command>,
 }
@@ -22,10 +22,10 @@ impl Payload {
     }
 }
 
+#[skip_serializing_none]
 #[derive(Debug, Serialize)]
 #[serde(rename_all = "camelCase")]
 pub struct Command {
-    #[serde(skip_serializing_if = "Option::is_none")]
     pub error_code: Option<String>,
 
     ids: Vec<String>,