usethesource: Add "ordering" field to determine candidate sort order

conservancy/usethesource/admin.py

@@ -11,7 +11,8 @@ class CommentInline(admin.TabularInline):
 
 @admin.register(Candidate)
 class CandidateAdmin(admin.ModelAdmin):
-    list_display = ['name', 'vendor', 'device', 'release_date']
+    list_display = ['name', 'vendor', 'device', 'release_date', 'ordering']
+    list_editable = ['ordering']
     fields = [
         'name',
         'slug',

conservancy/usethesource/migrations/0002_auto_20231030_1830.py

@@ -0,0 +1,22 @@
+# Generated by Django 3.2.19 on 2023-10-30 18:30
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('usethesource', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='candidate',
+            options={'ordering': ['ordering', 'name']},
+        ),
+        migrations.AddField(
+            model_name='candidate',
+            name='ordering',
+            field=models.SmallIntegerField(default=0),
+        ),
+    ]

conservancy/usethesource/models.py

@@ -11,6 +11,10 @@ class Candidate(models.Model):
     description = models.TextField()
     source_url = models.URLField()
     binary_url = models.URLField(blank=True)
+    ordering = models.SmallIntegerField(default=0)
+
+    class Meta:
+        ordering = ['ordering', 'name']
 
     def __str__(self):
         return self.name