fix: derive Debug for client

Author: shuakami

src/client.rs

@@ -13,7 +13,7 @@ static DEFAULT_BASE: &str = "https://uapis.cn/api/v1";
 static DEFAULT_UA: &str = "uapi-sdk-rust/0.1.1";
 static DEFAULT_BASE_URL: Lazy<Url> = Lazy::new(|| Url::parse(DEFAULT_BASE).expect("valid default base"));
 
-#[derive(Clone)]
+#[derive(Clone, Debug)]
 pub struct Client {
     pub(crate) http: reqwest::Client,
     pub(crate) base_url: Url,