add application details view and update related forms; improve layout

app_gateway/migrations/0005_alter_applicationroute_order.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.12 on 2026-03-12 21:39
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('app_gateway', '0004_alter_application_display_name'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='applicationroute',
+            name='order',
+            field=models.PositiveIntegerField(default=0),
+        ),
+    ]