replace python django backend with nodejs backend

backend_old/ai/models.py

@@ -0,0 +1,11 @@
+from django.db import models
+
+
+# Create your models here.
+class AiConfig(models.Model):
+    name = models.CharField(max_length=255)
+    model_id_or_path = models.CharField(max_length=255)
+    discord_token = models.CharField(max_length=255)
+
+    def __str__(self):
+        return self.name