Update of the SQL schema for quotas table

I updated the Django migration file to force the order of the fields
generated in the rails database.

The migration generate an error on this particular migration for an
unknown reason although the migration finishes correctly.
Signed-off-by: Matthieu Berjon <matthieu.berjon@inria.fr>

django/poc/migrations/0001_initial.py

@@ -115,6 +115,20 @@ class Migration(migrations.Migration):
                 'db_table': 'users',
             },
         ),
+        migrations.CreateModel(
+            name='Quota',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='poc.User')),
+                ('webapp', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='poc.Webapp')),
+                ('quantity', models.BigIntegerField(blank=True, null=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now_add=True)),
+            ],
+            options={
+                'db_table': 'quotas',
+            },
+        ),
         migrations.CreateModel(
             name='Job',
             fields=[
@@ -164,18 +178,6 @@ class Migration(migrations.Migration):
                 'db_table': 'job_uploads',
             },
         ),
-        migrations.CreateModel(
-            name='Quota',
-            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)),
-                ('quantity', models.BigIntegerField(blank=True, null=True)),
-            ],
-            options={
-                'db_table': 'quotas',
-            },
-        ),
 
 
          
@@ -184,6 +186,7 @@ class Migration(migrations.Migration):
             name='webapp',
             field=models.ManyToManyField(through='poc.Quota', to='poc.Webapp'),
         ),
+        """
         migrations.AddField(
             model_name='quota',
             name='user',
@@ -194,6 +197,8 @@ class Migration(migrations.Migration):
             name='webapp',
             field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='poc.Webapp'),
         ),
+        """
+        ,
         migrations.AddField(
             model_name='job',
             name='user',