Add both examples to README

Author: Craig Pastro

README.md

@@ -17,6 +17,32 @@ slightly inspired by
 
 http get with retry:
 
+    url := "http://example.com"
+    var body []byte
+
+    err := retry.Do(
+    	func() error {
+    		resp, err := http.Get(url)
+    		if err != nil {
+    			return err
+    		}
+    		defer resp.Body.Close()
+    		body, err = ioutil.ReadAll(resp.Body)
+    		if err != nil {
+    			return err
+    		}
+
+    		return nil
+    	},
+    )
+    if err != nil {
+    	// handle error
+    }
+
+    fmt.Println(string(body))
+
+http get with retry with data:
+
     url := "http://example.com"
 
     body, err := retry.DoWithData(

retry.go

@@ -7,6 +7,32 @@ slightly inspired by [Try::Tiny::Retry](https://metacpan.org/pod/Try::Tiny::Retr
 
 http get with retry:
 
+	url := "http://example.com"
+	var body []byte
+
+	err := retry.Do(
+		func() error {
+			resp, err := http.Get(url)
+			if err != nil {
+				return err
+			}
+			defer resp.Body.Close()
+			body, err = ioutil.ReadAll(resp.Body)
+			if err != nil {
+				return err
+			}
+
+			return nil
+		},
+	)
+	if err != nil {
+		// handle error
+	}
+
+	fmt.Println(string(body))
+
+http get with retry with data:
+
 	url := "http://example.com"
 
 	body, err := retry.DoWithData(