added missing Content-Type to Put and Post

helper.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"encoding/json"
 	"fmt"
+	"io"
 	"net/http"
 )
 
@@ -16,6 +17,7 @@ func Get(uri string, authName string, authValue string, queries map[string]strin
 	client := &http.Client{}
 
 	request.Header.Set("Accept", "application/json")
+	request.Header.Set("Content-Type", "application/json")
 	request.Header.Set("Authorization", fmt.Sprintf("%s %s", authName, authValue))
 
 	if len(queries) > 0 {
@@ -36,7 +38,7 @@ func Get(uri string, authName string, authValue string, queries map[string]strin
 	return response, nil
 }
 
-func Post(uri string, authName string, authValue string, data any) (*http.Response, error) {
+func Post(uri string, authName string, authValue string, data io.Reader) (*http.Response, error) {
 	jsonBytes, err := json.Marshal(data)
 	if err != nil {
 		return nil, err
@@ -50,6 +52,7 @@ func Post(uri string, authName string, authValue string, data any) (*http.Respon
 
 	client := &http.Client{}
 
+	request.Header.Set("Accept", "application/json")
 	request.Header.Set("Content-Type", "application/json")
 	request.Header.Set("Authorization", fmt.Sprintf("%s %s", authName, authValue))
 
@@ -61,7 +64,7 @@ func Post(uri string, authName string, authValue string, data any) (*http.Respon
 	return response, nil
 }
 
-func Put(uri string, authName string, authValue string, data any) (*http.Response, error) {
+func Put(uri string, authName string, authValue string, data io.Reader) (*http.Response, error) {
 	jsonBytes, err := json.Marshal(data)
 	if err != nil {
 		return nil, err