Add default value for currency

InvenTree/common/migrations/0003_auto_20190902_2310.py

@@ -0,0 +1,19 @@
+# Generated by Django 2.2.4 on 2019-09-02 23:10
+
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('common', '0002_auto_20190902_2304'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='currency',
+            name='value',
+            field=models.DecimalField(decimal_places=5, default=1.0, help_text='Currency Value', max_digits=10, validators=[django.core.validators.MinValueValidator(1e-05), django.core.validators.MaxValueValidator(100000)]),
+        ),
+    ]