Chore: Upgrade to Laravel 12 + remove Mary and Jetstream dependencies (#141)

* docs: remove requirement for setting APP_KEY manually

* optimize date picker

* clean up modals

* spot light working

* reorganization

* add lazy load

* wip

* remove filament

* styling

resources/views/import-export/export-portfolios-button.blade.php

@@ -0,0 +1,33 @@
+<?php
+
+use App\Exports\BackupExport;
+use App\Traits\Toast;
+use Illuminate\Support\Facades\RateLimiter;
+use Livewire\Volt\Component;
+use Maatwebsite\Excel\Facades\Excel;
+
+new class extends Component
+{
+    use Toast;
+
+    // props
+
+    // methods
+    public function export()
+    {
+        if (! RateLimiter::attempt('export:'.auth()->user()->id, $perMinute = 3, fn () => null)) {
+
+            $this->error(__('Hang on! You\'re doing that too much.'));
+
+            return;
+        }
+
+        return Excel::download(new BackupExport, now()->format('Y_m_d').'_investbrain_backup.xlsx');
+    }
+}; ?>
+
+<div>
+    <x-ui.button type="submit" @click="$wire.export" spinner="export">
+        {{ __('Download Export') }}
+    </x-ui.button>
+</div>