[collector] create initial model and migration

collector/models.py

@@ -0,0 +1,15 @@
+from django.db import models
+from django_extensions.db.models import ModificationDateTimeField
+
+
+class Teile(models.Model):
+    name = models.TextField("Name of the part", null=False, blank=False)
+    modified = ModificationDateTimeField("last changed")
+
+    class Meta:
+        constraints = [
+            models.UniqueConstraint(fields=["name"], name="unique_names"),
+        ]
+        indexes = [
+            models.Index(fields=["modified"], name="modified"),
+        ]