Allow configuring landing page for unauthenticated users (#808)

* allow configuring landing page

* add tests

bookmarks/migrations/0037_globalsettings.py

@@ -0,0 +1,38 @@
+# Generated by Django 5.0.8 on 2024-08-31 12:39
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("bookmarks", "0036_userprofile_auto_tagging_rules"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="GlobalSettings",
+            fields=[
+                (
+                    "id",
+                    models.AutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                (
+                    "landing_page",
+                    models.CharField(
+                        choices=[
+                            ("login", "Login"),
+                            ("shared_bookmarks", "Shared Bookmarks"),
+                        ],
+                        default="login",
+                        max_length=50,
+                    ),
+                ),
+            ],
+        ),
+    ]