feat: implement admin authentication

app/Http/Middleware/AdminAuth.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Auth;
+use Symfony\Component\HttpFoundation\Response;
+
+class AdminAuth
+{
+    public function handle(Request $request, Closure $next): Response
+    {
+        if (!Auth::guard('admin')->check()) {
+            return redirect()->route('admin.login');
+        }
+
+        return $next($request);
+    }
+}

app/Http/Requests/Admins/AdminPostRequest.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace App\Http\Requests\Admins;
+
+use Illuminate\Contracts\Validation\ValidationRule;
+use Illuminate\Foundation\Http\FormRequest;
+
+class AdminPostRequest extends FormRequest
+{
+    /**
+     * Determine if the user is authorized to make this request.
+     */
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    /**
+     * Get the validation rules that apply to the request.
+     *
+     * @return array<string, ValidationRule|array<mixed>|string>
+     */
+    public function rules(): array
+    {
+        return [
+            'email' => [
+                'required',
+                'email',
+                'min:10',
+                'max:150',
+
+            ],
+
+            'password' => [
+                'required',
+                'string',
+                'min:2',
+                'alpha_num',
+            ]
+        ];
+    }
+}