Introduce django-solo for site configuration

mainsite/migrations/0003_siteconfiguration.py

@@ -0,0 +1,27 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.5 on 2017-09-22 16:04
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mainsite', '0002_auto_20170922_1438'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='SiteConfiguration',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('homepageText', models.TextField(verbose_name="Texte de la page d'accueil (HTML)")),
+                ('writearticleText', models.TextField(verbose_name='Texte de la page « écrire » (HTML)')),
+                ('email', models.CharField(help_text='Attention au spam…', max_length=128, verbose_name='Adresse de contact du BOcal')),
+            ],
+            options={
+                'verbose_name': 'Configuration du site',
+            },
+        ),
+    ]