Added "About me"-Section

lib/pages/landing_page.dart

@@ -69,6 +69,11 @@ class _LandingPageState extends State<LandingPage> {
           blockTitle: 'Bildungsweg',
           contentType: ContentType.education,
         ),
+        Padding(padding: EdgeInsets.only(bottom: 25)),
+        ContentBlock(
+          blockTitle: "Über mich",
+          contentType: ContentType.text,
+        ),
       ],
     );
   }