Added Color Theme view in settings

InvenTree/common/migrations/0007_theme.py

@@ -0,0 +1,20 @@
+# Generated by Django 3.0.7 on 2020-09-07 16:12
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('common', '0006_auto_20200203_0951'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Theme',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('theme', models.IntegerField(choices=[(0, 'Default'), (1, 'Darker')], default=0)),
+            ],
+        ),
+    ]