Move to vendor dir

vendor/github.com/xoebus/statham/statham.go

@@ -0,0 +1,26 @@
+package statham
+
+import "net/http"
+
+func NewTransport(defaultTr http.RoundTripper, mapping Mapping) http.RoundTripper {
+	return &roundTripper{
+		defaultTripper: defaultTr,
+		mapping:        mapping,
+	}
+}
+
+type Mapping map[string]http.RoundTripper
+
+type roundTripper struct {
+	defaultTripper http.RoundTripper
+	mapping        Mapping
+}
+
+func (rt *roundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
+	transport, found := rt.mapping[req.URL.Host]
+	if !found {
+		return rt.defaultTripper.RoundTrip(req)
+	}
+
+	return transport.RoundTrip(req)
+}