feat: add user management viewset and sync module to API routes

sync/models.py

@@ -0,0 +1,31 @@
+from django.db import models
+
+class ChangeLog(models.Model):
+    MODEL_CHOICES = [
+        ('Product', 'Product'),
+        ('Comanda', 'Comanda'),
+        ('Order', 'Order'),
+        ('Client', 'Client'),
+        ('Categories', 'Categories'),
+        ('Mesa', 'Mesa'),
+        ('Payments', 'Payments'),
+    ]
+    ACTION_CHOICES = [
+        ('SAVE', 'Save'),
+        ('DELETE', 'Delete'),
+    ]
+    
+    model_name = models.CharField(max_length=50, choices=MODEL_CHOICES)
+    object_id = models.IntegerField()
+    action = models.CharField(max_length=10, choices=ACTION_CHOICES)
+    timestamp = models.DateTimeField(auto_now_add=True)
+
+    class Meta:
+        ordering = ['timestamp']
+        indexes = [
+            models.Index(fields=['timestamp']),
+            models.Index(fields=['model_name', 'object_id']),
+        ]
+
+    def __str__(self):
+        return f"{self.model_name} {self.object_id} {self.action} at {self.timestamp}"