adding micropython examples (#2286)

* adding micropython examples

* adding micropython examples

examples/widgets/label/lv_example_label_3.py

@@ -0,0 +1,36 @@
+import fs_driver
+#
+# Show mixed LTR, RTL and Chinese label
+#
+
+ltr_label = lv.label(lv.scr_act())
+ltr_label.set_text("In modern terminology, a microcontroller is similar to a system on a chip (SoC).");
+# ltr_label.set_style_text_font(ltr_label, &lv_font_montserrat_16, 0);
+
+fs_drv = lv.fs_drv_t()
+fs_driver.fs_register(fs_drv, 'S')
+
+try:
+    ltr_label.set_style_text_font(ltr_label, lv.font_montserrat_16, 0)
+except:
+    font_montserrat_16 = lv.font_load("S:../../assets/font/montserrat-16.bin")
+    ltr_label.set_style_text_font(font_montserrat_16, 0)
+    
+ltr_label.set_width(310)
+ltr_label.align(lv.ALIGN.TOP_LEFT, 5, 5)
+
+rtl_label = lv.label(lv.scr_act())
+rtl_label.set_text("מעבד, או בשמו המלא יחידת עיבוד מרכזית (באנגלית: CPU - Central Processing Unit).")
+rtl_label.set_style_base_dir(lv.BASE_DIR.RTL, 0)
+rtl_label.set_style_text_font(lv.font_dejavu_16_persian_hebrew, 0)
+rtl_label.set_width(310)
+rtl_label.align(lv.ALIGN.LEFT_MID, 5, 0)
+
+font_simsun_16_cjk = lv.font_load("S:../../assets/font/lv_font_simsun_16_cjk.bin")
+
+cz_label = lv.label(lv.scr_act())
+cz_label.set_style_text_font(font_simsun_16_cjk, 0)
+cz_label.set_text("嵌入式系统（Embedded System），\n是一种嵌入机械或电气系统内部、具有专一功能和实时计算性能的计算机系统。")    
+cz_label.set_width(310)
+cz_label.align(lv.ALIGN.BOTTOM_LEFT, 5, -5)
+