Add maintenance pages

app/Console/Commands/SubmissionsDown.php

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+<?php
+
+namespace App\Console\Commands;
+
+use Illuminate\Console\Attributes\Description;
+use Illuminate\Console\Attributes\Signature;
+use Illuminate\Console\Command;
+use Illuminate\Support\Facades\Cache;
+
+#[Signature('submissions:down')]
+#[Description('Disable submissions')]
+class SubmissionsDown extends Command
+{
+    /**
+     * Execute the console command.
+     */
+    public function handle()
+    {
+        Cache::put('submissions_maintenance', true );
+        $this->info("Submissions disabled.");
+    }
+}

app/Console/Commands/SubmissionsUp.php

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+<?php
+
+namespace App\Console\Commands;
+
+use Illuminate\Console\Attributes\Description;
+use Illuminate\Console\Attributes\Signature;
+use Illuminate\Console\Command;
+use Illuminate\Support\Facades\Cache;
+
+#[Signature('submissions:up')]
+#[Description('Enable submissions')]
+class SubmissionsUp extends Command
+{
+    /**
+     * Execute the console command.
+     */
+    public function handle()
+    {
+        Cache::forget('submissions_maintenance');
+        $this->info('Submissions enabled.');
+    }
+}