Update of the SQL schema for webapps tables

I updated the Django migration file to force the order of the fields
generated in the database.
Signed-off-by: Matthieu Berjon <matthieu.berjon@inria.fr>

django/poc/migrations/0001_initial.py

@@ -118,17 +118,18 @@ class Migration(migrations.Migration):
             name='Webapp',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('created_at', models.DateTimeField(auto_now_add=True)),
-                ('updated_at', models.DateTimeField(auto_now_add=True)),
                 ('name', models.CharField(blank=True, max_length=255, unique=True)),
                 ('description', models.TextField(blank=True, null=True)),
                 ('contact', models.CharField(blank=True, max_length=255, null=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now_add=True)),
                 ('logo_file_name', models.CharField(blank=True, max_length=255, null=True)),
                 ('logo_content_type', models.CharField(blank=True, max_length=255, null=True)),
                 ('logo_file_size', models.IntegerField(blank=True, null=True)),
                 ('logo_updated_at', models.DateTimeField(blank=True, null=True)),
                 ('user_other', models.IntegerField(blank=True, null=True)),
                 ('default_quota', models.IntegerField(blank=True, null=True)),
+                ('docker_os', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='poc.DockerOs')),
                 ('docker_name', models.CharField(blank=True, max_length=255)),
                 ('readme', models.IntegerField(blank=True, null=True)),
                 ('entrypoint', models.CharField(blank=True, max_length=255)),
@@ -139,7 +140,6 @@ class Migration(migrations.Migration):
                 ('sandbox_version_id', models.IntegerField(blank=True, null=True)),
                 ('default_job_queue_id', models.IntegerField(null=True)),
                 ('memory_limit', models.BigIntegerField(blank=True, null=True)),
-                ('docker_os', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='poc.DockerOs')),
             ],
             options={
                 'db_table': 'webapps',