message: Set default value if PublicUser.images isn't present.
diff: @@ -15,6 +15,7 @@ pub struct PublicUser {
  pub followers: Option<HashMap<String, Option<Value>>>,
  pub href: String,
  pub id: String,
  + #[serde(default = "Vec::new")]
  pub images: Vec<Image>,
  #[serde(rename = "type")]
  pub _type: Type,
  