Add dynamic template system: Implemented header, footer, and section templates with corresponding models, migrations, and Filament resources. Enhanced Page model to support dynamic templates and updated localization files for new terms. Added TemplateService for managing template data and rendering. Comprehensive documentation included for usage and best practices.

app/Models/FooterTemplate.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\SoftDeletes;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+class FooterTemplate extends Model
+{
+    use SoftDeletes;
+
+    protected $fillable = [
+        'title',
+        'html_content',
+        'is_active',
+    ];
+
+    protected $casts = [
+        'is_active' => 'boolean',
+    ];
+
+    /**
+     * Get the pages that use this footer template.
+     */
+    public function pages(): HasMany
+    {
+        return $this->hasMany(Page::class, 'footer_template_id');
+    }
+}