[backend + frontend]: Добавлена базовая регистрация

backend/wheretogo/accounts/views.py

@@ -0,0 +1,13 @@
+from rest_framework_simplejwt.serializers import TokenObtainPairSerializer
+from rest_framework_simplejwt.views import TokenObtainPairView
+
+
+class CustomTokenObtainPairSerializer(TokenObtainPairSerializer):
+    def validate(self, attrs):
+        data = super().validate(attrs)
+        data["username"] = self.user.username
+        return data
+
+
+class CustomTokenObtainPairView(TokenObtainPairView):
+    serializer_class = CustomTokenObtainPairSerializer