/// <https://vk.com/dev/link_button>
#[derive(Deserialize, Clone, Debug)]
pub struct Button {
pub title: String,
pub action: ButtonAction,
}
#[derive(Deserialize, Clone, Debug)]
pub struct ButtonAction {
#[serde(rename = "type")]
pub type_: String,
pub url: String, // Make Option<String> if multiple types will be added
}