new applets app for cross-board usage of Applet() & UserApplet() models; dashboard migrations reset and apps reseeded w. new default specs; core.settings & many tests thru-out suite updated accordingly

src/apps/applets/migrations/0001_initial.py

@@ -0,0 +1,36 @@
+import django.db.models.deletion
+
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    initial = True
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Applet',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('slug', models.SlugField(unique=True)),
+                ('name', models.CharField(max_length=100)),
+                ('context', models.CharField(choices=[('dashboard', 'Dashboard'), ('gameboard', 'Gameboard')], default='dashboard', max_length=20)),
+                ('default_visible', models.BooleanField(default=True)),
+                ('grid_cols', models.PositiveSmallIntegerField(default=12)),
+                ('grid_rows', models.PositiveSmallIntegerField(default=3)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='UserApplet',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('visible', models.BooleanField(default=True)),
+                ('applet', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='applets.applet')),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='user_applets', to=settings.AUTH_USER_MODEL)),
+            ],
+            options={'unique_together': {('user', 'applet')}},
+        ),
+    ]