feat: initial commit

app/Models/File.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+class File extends Model
+{
+    use HasFactory;
+
+    protected $guarded = [];
+
+    public function transmittal(): BelongsTo
+    {
+        return $this->belongsTo(Transmittal::class);
+    }
+
+    public function notes(): HasMany
+    {
+        return $this->hasMany(Comment::class);
+    }
+
+    public function remarks(): HasMany
+    {
+        return $this->hasMany(Remark::class);
+    }
+}