add ureq::Error behind feature flag

Cargo.toml

@@ -9,6 +9,7 @@ keywords = ["error", "result"]
 
 [dependencies]
 serde_json = { version = "1.0", optional = true }
+ureq = { version = "2.6", optional = true }
 
 [features]
 default = []

src/lib.rs

@@ -69,3 +69,10 @@ impl From<serde_json::Error> for Rear {
 		Self { message: error.to_string(), error: error.into() }
 	}
 }
+
+#[cfg(feature = "ureq")]
+impl From<ureq::Error> for Rear {
+	fn from(error: ureq::Error) -> Self {
+		Self { message: error.to_string(), error: error.into() }
+	}
+}