Add basic auditing for filesystem actions

Specifically skipping read actions since there isn't much to say there, and it generally wouldn't be very helpful (plus, likely to generate lots of logs).

database/migrations/2021_01_17_102401_create_audit_logs_table.php

@@ -1,8 +1,8 @@
 <?php
 
-use Illuminate\Database\Migrations\Migration;
-use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
 
 class CreateAuditLogsTable extends Migration
 {
@@ -15,7 +15,14 @@ class CreateAuditLogsTable extends Migration
     {
         Schema::create('audit_logs', function (Blueprint $table) {
             $table->id();
-            $table->timestamps();
+            $table->char('uuid', 36);
+            $table->boolean('is_system')->default(false);
+            $table->bigInteger('user_id')->nullable();
+            $table->bigInteger('server_id')->nullable();
+            $table->string('action');
+            $table->json('device');
+            $table->json('metadata');
+            $table->timestamp('created_at', 0);
         });
     }