vendor: add github.com/koofr/go-koofrclient

* added koofr client SDK dep for koofr backend

vendor/github.com/koofr/go-httpclient/transport.go

@@ -0,0 +1,29 @@
+package httpclient
+
+import (
+	"crypto/tls"
+	"net/http"
+)
+
+var HttpTransport = &http.Transport{
+	DisableCompression: true,
+	Proxy:              http.ProxyFromEnvironment,
+}
+
+var HttpClient = &http.Client{
+	Transport: HttpTransport,
+}
+
+var InsecureTlsConfig = &tls.Config{
+	InsecureSkipVerify: true,
+}
+
+var InsecureHttpTransport = &http.Transport{
+	TLSClientConfig:    InsecureTlsConfig,
+	DisableCompression: true,
+	Proxy:              http.ProxyFromEnvironment,
+}
+
+var InsecureHttpClient = &http.Client{
+	Transport: InsecureHttpTransport,
+}