Add project listing selector, confirmed revision and private 3MF renders

app/Models/ProjectFile.php

@@ -6,6 +6,7 @@ use Database\Factories\ProjectFileFactory;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasOne;
 
 class ProjectFile extends Model
 {
@@ -29,4 +30,9 @@ class ProjectFile extends Model
     {
         return $this->belongsTo(User::class, 'uploaded_by');
     }
+
+    public function render(): HasOne
+    {
+        return $this->hasOne(ProjectFileRender::class);
+    }
 }