Add SealShare file sharing application with encryption, branding, auth, Docker, and Octane support

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

database/migrations/2026_02_12_165033_create_shares_table.php

@@ -0,0 +1,35 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('shares', function (Blueprint $table) {
+            $table->id();
+            $table->string('token', 16)->unique();
+            $table->string('password')->nullable();
+            $table->text('encryption_key')->nullable();
+            $table->string('encryption_salt')->nullable();
+            $table->timestamp('expires_at')->nullable();
+            $table->unsignedInteger('max_downloads')->nullable();
+            $table->unsignedInteger('download_count')->default(0);
+            $table->unsignedBigInteger('total_size')->default(0);
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('shares');
+    }
+};