add rest api for api_bb vue a lot of files

serv_nginx/api_bb/pkg/utils/utils.go

@@ -0,0 +1,16 @@
+package utils
+
+import (
+	"encoding/json"
+	"net/http"
+)
+
+func RespondWithJSON(w http.ResponseWriter, statusCode int, data interface{}) {
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(statusCode)
+	json.NewEncoder(w).Encode(data)
+}
+
+func RespondWithError(w http.ResponseWriter, statusCode int, message string) {
+	RespondWithJSON(w, statusCode, map[string]string{"error": message})
+}