Add v2 network package

network/v2/http.go

@@ -0,0 +1,14 @@
+package network
+
+import "net/http"
+
+type networkHTTPTransport struct {
+	userAgent string
+	next      http.RoundTripper
+}
+
+func (n networkHTTPTransport) RoundTrip(req *http.Request) (*http.Response, error) {
+	req.Header.Set("User-Agent", n.userAgent)
+
+	return n.next.RoundTrip(req) //nolint: wrapcheck
+}