Basic integration for vm list query

recircle/recircle/settings.py

@@ -44,11 +44,13 @@ INSTALLED_APPS = [
     'rest_framework',
     'djoser',
     'rest_framework_swagger',
+    'corsheaders',
 ]
 
 MIDDLEWARE = [
     'django.middleware.security.SecurityMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
+    'corsheaders.middleware.CorsMiddleware',
     'django.middleware.common.CommonMiddleware',
     'django.middleware.csrf.CsrfViewMiddleware',
     'django.contrib.auth.middleware.AuthenticationMiddleware',
@@ -135,3 +137,7 @@ VM_ACCESS_PROTOCOLS = {
                         "rdp": ["Remote Desktop Protocol", 3389, "tcp"],
                         "ssh": ["Secure Shell", 22, "tcp"]
                       }
+
+CORS_ORIGIN_WHITELIST = (
+            'localhost:3000',
+            )