feat(preferences): added preferences model and helper to get and set them

app/Models/Preference.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class Preference extends Model
+{
+
+    protected $table = 'cc_pref';
+    public $timestamps = false;
+
+    protected $fillable = [
+        'subjid',
+        'keystr',
+        'valstr'
+    ];
+
+    public function user() {
+        return $this->belongsTo(User::class, 'subjid');
+    }
+}