Implement board columns and project workflow settings

app/Models/BoardColumn.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Models;
+
+use Database\Factories\BoardColumnFactory;
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+#[Fillable(['name', 'position', 'project_id'])]
+class BoardColumn extends Model
+{
+    /** @use HasFactory<BoardColumnFactory> */
+    use HasFactory;
+
+    public function project(): BelongsTo
+    {
+        return $this->belongsTo(Project::class);
+    }
+}