feat(core): Add manufacturers

!10 #12

app/core/models/manufacturer.py

@@ -0,0 +1,43 @@
+from django.contrib.auth.models import User
+from django.db import models
+
+from access.fields import *
+from access.models import TenancyObject
+
+from core.mixin.history_save import SaveHistory
+
+class ManufacturerCommonFields(models.Model):
+
+    class Meta:
+        abstract = True
+
+    id = models.AutoField(
+        primary_key=True,
+        unique=True,
+        blank=False
+    )
+
+    created = AutoCreatedField()
+
+    modified = AutoCreatedField()
+
+
+
+class Manufacturer(TenancyObject, ManufacturerCommonFields, SaveHistory):
+
+
+    class Meta:
+
+        ordering = [
+            'name'
+        ]
+
+
+    name = models.CharField(
+        blank = False,
+        max_length = 50,
+        unique = True,
+    )
+
+
+    slug = AutoSlugField()