docs: add README, boost skill, and documentation site

docs/content/1.getting-started/2.installation.md

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+---
+title: Installation
+description: Get started with Comments in minutes.
+navigation:
+  icon: i-lucide-download
+seo:
+  description: Install Comments and add commenting to your Filament resources.
+  ogImage: /preview.png
+---
+
+## Requirements
+
+- **PHP:** 8.2+
+- **Laravel:** 12+
+- **Filament:** 4.x / 5.x
+- **Livewire:** 3.5+ / 4.x
+
+## Quick Setup
+
+::steps
+### Install Package
+
+```bash [Terminal]
+composer require relaticle/comments
+```
+
+### Publish and Run Migrations
+
+```bash [Terminal]
+php artisan vendor:publish --tag=comments-migrations
+php artisan migrate
+```
+
+### Include CSS Assets
+
+Prerequisite: You need a custom Filament theme to include the Comments styles.
+
+::alert{type="warning"}
+If you haven't set up a custom theme for Filament, follow the [Filament Docs](https://filamentphp.com/docs/5.x/styling/overview#creating-a-custom-theme) first.
+::
+
+Add the plugin's views to your theme CSS file:
+
+```css [resources/css/filament/admin/theme.css]
+@source "../../../../vendor/relaticle/comments/resources/views/**/*.blade.php";
+```
+
+### Register the Plugin
+
+```php [AdminPanelProvider.php]
+use Relaticle\Comments\CommentsPlugin;
+
+public function panel(Panel $panel): Panel
+{
+    return $panel
+        ->plugins([
+            CommentsPlugin::make(),
+        ]);
+}
+```
+
+### Set Up Your Models
+
+Add the `HasComments` trait to any model you want to comment on:
+
+```php [app/Models/Project.php]
+use Relaticle\Comments\Concerns\HasComments;
+use Relaticle\Comments\Contracts\Commentable;
+
+class Project extends Model implements Commentable
+{
+    use HasComments;
+}
+```
+
+Add the `IsCommenter` trait to your User model:
+
+```php [app/Models/User.php]
+use Relaticle\Comments\Concerns\IsCommenter;
+use Relaticle\Comments\Contracts\Commenter;
+
+class User extends Authenticatable implements Commenter
+{
+    use IsCommenter;
+}
+```
+
+### Add to Your Resources
+
+Use the slide-over action on view or edit pages:
+
+```php [app/Filament/Resources/ProjectResource/Pages/ViewProject.php]
+use Relaticle\Comments\Filament\Actions\CommentsAction;
+
+protected function getHeaderActions(): array
+{
+    return [
+        CommentsAction::make(),
+    ];
+}
+```
+::
+
+**Done!** Visit your Filament panel to see comments in action.
+
+## Optional Configuration
+
+| Command | Action |
+|---------|--------|
+| `php artisan vendor:publish --tag=comments-config` | Publish the configuration file |
+| `php artisan vendor:publish --tag=comments-views` | Publish the Blade views for customization |
+| `php artisan vendor:publish --tag=comments-translations` | Publish the translation files |