clean up summarizer function

src/internal/util/summary.go

@@ -5,7 +5,7 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"os"
 )
@@ -62,25 +62,25 @@ func Summarize(text string) (string, error) {
 	defer resp.Body.Close()
 
 	// Read the response
-	body, err := ioutil.ReadAll(resp.Body)
+	body, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return "", err
 	}
-    
+
-    // Unmarshal the JSON response
+	// Unmarshal the JSON response
 	var response Response
 	err = json.Unmarshal(body, &response)
 	if err != nil {
-        return "", err
+		return "", err
 	}
 
 	// Extract and print the content
-    var content string
+	var content string
 	if len(response.Choices) > 0 {
 		content = response.Choices[0].Message.Content
 	} else {
-        return "", errors.New("could not find content in response")
+		return "", errors.New("could not find content in response")
 	}
 
-    return content, nil
+	return content, nil
 }