ダッシュボード画面の追加

resources/views/layouts/admin.blade.php

@@ -0,0 +1,20 @@
+@extends('layouts.base')
+
+@section('content')
+    <div class="container">
+        <div class="row">
+            <div class="col-lg-3">
+                <div class="list-group">
+                    <div class="list-group-item disabled font-weight-bold">管理</div>
+                    <a class="list-group-item list-group-item-action {{ Route::currentRouteName() === 'admin.dashboard' ? 'active' : '' }}"
+                       href="{{ route('admin.dashboard') }}"><span class="oi oi-dashboard mr-1"></span> ダッシュボード</a>
+                    <a class="list-group-item list-group-item-action"
+                       href=""><span class="oi oi-bullhorn mr-1"></span> お知らせ</a>
+                </div>
+            </div>
+            <div class="tab-content col-lg-9">
+                @yield('tab-content')
+            </div>
+        </div>
+    </div>
+@endsection