Add: archive site source model

backend/apps/archive/models.py

@@ -1,2 +1,18 @@
 from django.db import models
 
+
+class SourceSiteModel(models.Model):
+    slug = models.CharField(max_length=64)
+    name = models.CharField(max_length=64)
+    date_last_import = models.DateTimeField(auto_now=True)
+    date_created = models.DateTimeField(auto_now_add=True)
+
+    class Meta:
+        verbose_name = "Source Site"
+        verbose_name_plural = "Source Sites"
+
+    def __str__(self):
+        if self.name:
+            return str(self.name)
+        else:
+            return str(self.slug)