add MDI selector page and update site configuration

Author: lebalz

tdev-website/pages/mdi.mdx

@@ -0,0 +1,8 @@
+---
+page_id: a8f69f83-d899-408e-9723-68613d68796c
+---
+import MdiSelector from '@tdev-components/MdiSelector';
+
+# MDI Selektor
+
+<MdiSelector filterBarTop="4em" />

tdev-website/siteConfig.ts

@@ -67,6 +67,19 @@ const getSiteConfig: SiteConfigProvider = () => {
                             to: '/blog'
                         }
                     ]
+                },
+                {
+                    title: 'Tools',
+                    items: [
+                        {
+                            label: 'Icon Selector',
+                            to: '/mdi'
+                        },
+                        {
+                            label: 'Excalidraw',
+                            to: '/excalidraw'
+                        }
+                    ]
                 }
             ]
         },