adding micropython examples (#2286)

* adding micropython examples

* adding micropython examples

examples/layouts/flex/lv_example_flex_6.py

@@ -0,0 +1,19 @@
+#
+# RTL base direction changes order of the items.
+# Also demonstrate how horizontal scrolling works with RTL.
+#
+
+cont = lv.obj(lv.scr_act())
+cont.set_style_base_dir(lv.BASE_DIR.RTL,0)
+cont.set_size(300, 220)
+cont.center()
+cont.set_flex_flow(lv.FLEX_FLOW.ROW_WRAP)
+
+for i in range(20):
+    obj = lv.obj(cont)
+    obj.set_size(70, lv.SIZE.CONTENT)
+    
+    label = lv.label(obj)
+    label.set_text(str(i))
+    label.center()
+