Implement django doctor suggestions

RIGS/migrations/0042_auto_20210302_1121.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.1.7 on 2021-03-02 11:21
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('RIGS', '0041_auto_20210208_1603'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='profile',
+            name='phone',
+            field=models.CharField(blank=True, default='', max_length=13),
+        ),
+    ]