feat: add json response

net.go

@@ -1,6 +1,7 @@
 package ksrv
 
 import (
+	"encoding/json"
 	"net/http"
 	"strconv"
 )
@@ -35,6 +36,15 @@ func Response(w http.ResponseWriter, status int, body []byte) (int, error) {
 	return w.Write(body)
 }
 
+func JSON(w http.ResponseWriter, value interface{}) {
+	data, err := json.Marshal(value)
+	if err != nil {
+		panic(err)
+	}
+	w.Header().Set("Content-Type", "application/json")
+	w.Write(data)
+}
+
 // Abort shorthand for aborting with error, strings and status code could also be passed
 func Abort(w http.ResponseWriter, errs ...interface{}) (int, error) {
 	code := 500