Create resources/views/admin/settings/edit.blade.php
:
<form action="{{ route('admin.settings.update') }}" method="POST">
@csrf
@method('PUT')
@foreach ($settings as $setting)
<div>
<label>{{ ucfirst(str_replace('_', ' ', $setting->key)) }}</label>
<input type="text" name="settings[{{ $setting->key }}]" value="{{ $setting->value }}">
</div>
@endforeach
<button type="submit">Save Settings</button>
</form>