new migration to add wallet applet to dash db table; new views & html to accomodate

src/apps/dashboard/migrations/0007_seed_wallet_applet.py

@@ -0,0 +1,18 @@
+from django.db import migrations
+
+
+def seed_wallet_applet(apps, schema_editor):
+    Applet = apps.get_model("dashboard", "Applet")
+    Applet.objects.get_or_create(
+        slug="wallet",
+        defaults={"name": "Wallet", "grid_cols": 12, "grid_rows": 3},
+    )
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("dashboard", "0006_rename_theme_switcher"),
+    ]
+
+    operations = [
+        migrations.RunPython(seed_wallet_applet, migrations.RunPython.noop),
+    ]