docs: add agent and dashboard plugins at the landing page

Author: yaroslav8765

adminforth/documentation/docs/tutorial/08-Plugins/27-dashboard.md

@@ -1,6 +1,6 @@
 ---
-title: Dashboard
-description: "Guide to the Dashboard plugin."
+title: Dashboard plugin
+description: "Documentation for the Dashboard plugin."
 slug: /tutorial/Plugins/dashboard
 ---
 
@@ -24,7 +24,7 @@ Supported widgets:
 pnpm install @adminforth/dashboard --save
 ```
 
-## Create Dashboard Configs Table
+### Create Dashboard Configs Table
 
 The plugin needs one resource to store dashboard definitions. For Prisma-based projects, add the table to your schema:
 
@@ -64,7 +64,7 @@ CREATE INDEX "dashboard_configs_slug_idx" ON "dashboard_configs"("slug");
 
 Use the JSON column type supported by your database connector. For example, PostgreSQL migrations might use `JSONB`, while SQLite migrations can use `JSON`.
 
-## Create Resource
+### Create Resource
 
 Create a resource that points to the `dashboard_configs` table:
 
@@ -136,7 +136,7 @@ export const admin = new AdminForth({
 });
 ```
 
-## Configure Plugin
+### Configure Plugin
 
 Attach the plugin to one of your resources, usually the users resource:
 

adminforth/documentation/src/pages/index.tsx

@@ -140,6 +140,18 @@ const images = [
     link: '/docs/tutorial/Plugins/background-jobs/',
     description: 'Use background jobs to handle long-running tasks efficiently. Schedule, monitor, and manage your background processes with ease even after server restarts'
   },
+  {
+    original: require('@site/static/img/previews/agent.png').default,
+    title: 'Agent Plugin - give AI any task and let it handle it',
+    link: '/docs/tutorial/Plugins/agent/',
+    description: 'Provides an internal agent that can perform various tasks based on natural language instructions. Connect it to your data and let it help you with content generation, data management, or any custom use case you can think of'
+  },
+  {
+    original: require('@site/static/img/previews/dashboards-plugin.png').default,
+    title: 'Dashboard Plugin - creare custom dashboards from web interface',
+    link: '/docs/tutorial/Plugins/dashboard/',
+    description: 'Provides a customizable dashboard plugin that allows you to create and manage dashboards for your data. Connect it to your resources and visualize your data in a meaningful way'
+  },
 ];