replace python django backend with nodejs backend

backend_old/ai/serializers.py

@@ -0,0 +1,19 @@
+from rest_framework import serializers
+from .models import AiConfig
+
+
+class AiConfigSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = AiConfig
+        fields = ['name', 'model_id_or_path']
+
+
+class DiscordStatusSerializer(serializers.Serializer):
+    online = serializers.BooleanField()
+    react_to_chat = serializers.BooleanField()
+
+
+class AiInstanceSerializer(serializers.Serializer):
+    configuration = AiConfigSerializer()
+    messages = serializers.ListField()
+    discord = DiscordStatusSerializer()