タグ登録機能の追加

app/Tag.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Tag extends Model
+{
+    //
+
+    protected $fillable = [
+        'name'
+    ];
+
+    public function ejaculations()
+    {
+        return $this->belongsToMany('App\Ejaculation')->withTimestamps();
+    }
+}