[boardgames] Hash lrtl files and only import if changed

vrobbler/apps/scrobbles/migrations/0080_retroarchimport_files_hash.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.2.29 on 2026-05-22 16:24
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("scrobbles", "0079_retroarchimport_lrtl_file"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="retroarchimport",
+            name="files_hash",
+            field=models.CharField(blank=True, max_length=64, null=True),
+        ),
+    ]