readme add blog

Signed-off-by: zu1k <i@zu1k.com>

README.md

@@ -2,6 +2,8 @@
 
 Make every request from a separate IPv6 address.
 
+https://zu1k.com/posts/tutorials/http-proxy-ipv6-pool/
+
 ## Tutorial
 
 Assuming you already have an entire IPv6 subnet routed to your server, for me I purchased [Vultr's server](https://www.vultr.com/?ref=9039594-8H) to get one.

src/proxy.rs

@@ -64,6 +64,7 @@ impl Proxy {
         let bind_addr = get_rand_ipv6(self.ipv6, self.prefix_len);
         let mut http = HttpConnector::new();
         http.set_local_address(Some(bind_addr));
+        println!("{} via {bind_addr}", req.uri().host().unwrap_or_default());
 
         let client = Client::builder()
             .http1_title_case_headers(true)