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/components/partials/head.blade.php

@@ -0,0 +1,10 @@
+<meta charset="utf-8">
+<meta name="viewport" content="width=device-width, initial-scale=1">
+<meta name="csrf-token" content="{{ csrf_token() }}">
+<link rel="icon" href="{{ asset('favicon.svg') }}">
+
+<title>{{ config('app.name', 'Investbrain') }}</title>
+
+@vite(['resources/css/app.css', 'resources/js/app.js'])
+
+@livewireStyles