Update example to be something that works when run

Also add the README example to examples/ to ensure it keeps working

fixes: #6

README.md

@@ -21,12 +21,12 @@ use std::io;
 
 fn main() -> Result<()> {
     // Stream contents of url to stdout
-    let mut body = http_io::client::get("http://www.google.com")?;
+    let mut body = http_io::client::get("https://postman-echo.com/get")?;
     io::copy(&mut body, &mut std::io::stdout())?;
 
     // Stream contents of file to remote server
     let file = File::open("src/client.rs")?;
-    http_io::client::put("http://www.google.com", file)?;
+    http_io::client::put("https://postman-echo.com/put", file)?;
     Ok(())
 }
 ```

examples/readme.rs

@@ -0,0 +1,14 @@
+use http_io::error::Result;
+use std::fs::File;
+use std::io;
+
+fn main() -> Result<()> {
+    // Stream contents of url to stdout
+    let mut body = http_io::client::get("https://postman-echo.com/get")?;
+    io::copy(&mut body, &mut std::io::stdout())?;
+
+    // Stream contents of file to remote server
+    let file = File::open("src/client.rs")?;
+    http_io::client::put("https://postman-echo.com/put", file)?;
+    Ok(())
+}

prepush

@@ -11,3 +11,6 @@ cargo check
 cargo test
 cargo test --no-default-features --features std,ssl-openssl
 cargo test --no-default-features --features std,ssl-rustls
+
+cargo run --example readme
+cargo run --example connection_reuse