feat(itam): migrate app from own repo

!1

app/itam/models/software.py

@@ -0,0 +1,66 @@
+from django.db import models
+
+from access.fields import *
+from access.models import TenancyObject
+
+
+
+class SoftwareCommonFields(TenancyObject, models.Model):
+
+    class Meta:
+        abstract = True
+
+    id = models.AutoField(
+        primary_key=True,
+        unique=True,
+        blank=False
+    )
+
+    name = models.CharField(
+        blank = False,
+        max_length = 50,
+        unique = True,
+    )
+
+    slug = AutoSlugField()
+
+    created = AutoCreatedField()
+
+    modified = AutoLastModifiedField()
+
+
+
+class SoftwareCategory(SoftwareCommonFields):
+
+    def __str__(self):
+
+        return self.name
+
+
+
+class Software(SoftwareCommonFields):
+
+    category = models.ForeignKey(
+        SoftwareCategory,
+        on_delete=models.CASCADE,
+        default = None,
+        null = True,
+        blank= True
+        
+    )
+
+    def __str__(self):
+
+        return self.name
+
+
+
+class SoftwareVersion(SoftwareCommonFields):
+
+    software = models.ForeignKey(
+        Software,
+        on_delete=models.CASCADE,
+    )
+
+
+