feat : 내 정보 조회 API 추가

app/Models/MemberCompany.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace App\Models;
+use Illuminate\Database\Eloquent\Model;
+
+
+class MemberCompany extends Model
+{
+    protected $table = 'member_company';
+    protected $primaryKey = 'mc_num'; // 기본 키 변경
+
+    public function members()
+    {
+        return $this->hasMany(Member::class, 'tn_num', 'mc_num');
+        // member_company.mc_num = members.tn_num
+    }
+}