feat: tambah sistem poin anggota (kehadiran +10, artikel +5)

- Model MemberPoint + migration
- PostObserver: +5 poin saat artikel dipublish
- ActivityObserver: +10 poin saat peserta hadir di kegiatan
- MemberPointResource: tampil di grup Organisasi
- MemberPointSeeder + update ActivitySeeder dengan pivot status kehadiran
- Update PermissionSeeder: anggota bisa lihat poin

app/Filament/Resources/MemberPoints/Pages/ListMemberPoints.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Filament\Resources\MemberPoints\Pages;
+
+use App\Filament\Resources\MemberPoints\MemberPointResource;
+use Filament\Actions\CreateAction;
+use Filament\Resources\Pages\ListRecords;
+
+class ListMemberPoints extends ListRecords
+{
+    protected static string $resource = MemberPointResource::class;
+
+    protected function getHeaderActions(): array
+    {
+        return [
+            CreateAction::make(),
+        ];
+    }
+}