add some extra components and examples

examples/widgets/tabview/lv_tabview_example_1.c

@@ -19,13 +19,16 @@ void lv_ex_tabview_1(void)
                              "If the content\n"
                              "of a tab\n"
                              "becomes too\n"
-                             "long then\n"
-                             "it will \n"
+                             "longer\n"
+                             "than the\n"
+                             "container\n"
+                             "then it\n"
                              "automatically\n"
-                             "become\n"
+                             "becomes\n"
                              "scrollable.\n"
                              "\n"
                              "\n"
+                             "\n"
                              "Can you see it?");
 
     label = lv_label_create(tab2, NULL);