update manifest, install; add CreateUser.php to preseed admin during install

conf/CreateUser.php

@@ -0,0 +1,63 @@
+<?php
+
+namespace App\Console\Commands;
+
+use App\Models\User;
+use Illuminate\Console\Command;
+use Illuminate\Support\Facades\Validator;
+
+class CreateUser extends Command
+{
+    /**
+     * The name and signature of the console command.
+     *
+     * @var string
+     */
+    protected $signature = 'app:create-user
+                                {name : The username of the user}
+                                {email : The email of the user}
+                                {password : Password in plain text (will be encrypted automatically)}
+                                {--unverified : Keep the user unverified. Otherwise, email verified will be set at current time.}';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Create a user to access the admin panel';
+
+    private array $rules = [
+        'name' => ['required', 'min:4', 'unique:users,name'],
+        'email' => ['required', 'email', 'unique:users,email'],
+        'password' => ['required', 'min:6'],
+    ];
+
+    /**
+     * Execute the console command.
+     */
+    public function handle(): int
+    {
+        $validator = Validator::make([
+            'name' => $this->argument('name'),
+            'email' => $this->argument('email'),
+            'password' => $this->argument('password'),
+        ], $this->rules);
+
+        try {
+            $userData = $validator->validated();
+
+            $userData['password'] = bcrypt($userData['password']);
+            $userData['email_verified_at'] = $this->option('unverified') ? NULL : now();
+
+            User::factory()->create($userData);
+
+            $this->info('User created.');
+
+        } catch (\Exception $e) {
+            $this->error("ERROR: {$e->getMessage()} [Code: {$e->getCode()}]");
+            return 1;
+        }
+
+        return 0;
+    }
+}