feat(visual-editor): Add interactive blocks, templates UI, and documentation

- Add new block types: Video, Embed, Tabs, TabPanel, Accordion, AccordionItem
- Create TemplatesPanel Livewire component for managing saved block templates
- Add templates panel Blade view with search, categories, preview modal
- Create README.md with comprehensive package documentation
- Add Feature tests for Livewire components
- Add Blade templates for all new block types
- Update BlockCategory enum with UTILITY case
- Update language file with template and block translations
- Add CSS styles for templates panel, modals, and forms
- Register new blocks and Livewire components in service provider

Author: claude

packages/inspirecms-visual-editor/README.md

@@ -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
+{
+    public function up(): void
+    {
+        Schema::create('visual_editor_block_templates', function (Blueprint $table) {
+            $table->id();
+            $table->string('name');
+            $table->string('slug')->unique();
+            $table->text('description')->nullable();
+            $table->string('category')->default('custom');
+            $table->string('icon')->nullable();
+            $table->json('block_data');
+            $table->json('preview_data')->nullable();
+            $table->string('thumbnail')->nullable();
+            $table->boolean('is_global')->default(false);
+            $table->boolean('is_active')->default(true);
+            $table->foreignId('created_by')->nullable()->constrained('users')->nullOnDelete();
+            $table->timestamps();
+
+            $table->index(['category', 'is_active']);
+            $table->index('is_global');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('visual_editor_block_templates');
+    }
+};