net.http: refactor the Response struct (#10922)

vlib/net/http/version.v

@@ -28,3 +28,13 @@ pub fn version_from_str(v string) Version {
 		else { Version.unknown }
 	}
 }
+
+// protos returns the version major and minor numbers
+pub fn (v Version) protos() (int, int) {
+	match v {
+		.v1_1 { return 1, 1 }
+		.v2_0 { return 2, 0 }
+		.v1_0 { return 1, 0 }
+		.unknown { return 0, 0 }
+	}
+}