adding micropython examples (#2286)

* adding micropython examples

* adding micropython examples

examples/widgets/animimg/lv_example_animimg_1.py

@@ -0,0 +1,54 @@
+from imagetools import get_png_info, open_png
+
+# Register PNG image decoder
+decoder = lv.img.decoder_create()
+decoder.info_cb = get_png_info
+decoder.open_cb = open_png
+
+anim_imgs = [None]*3
+# Create an image from the png file
+try:
+    with open('../../assets/animimg001.png','rb') as f:
+        anim001_data = f.read()
+except:
+    print("Could not find animimg001.png")
+    sys.exit()
+    
+anim_imgs[0] = lv.img_dsc_t({
+  'data_size': len(anim001_data),
+  'data': anim001_data 
+})
+
+try:
+    with open('../../assets/animimg002.png','rb') as f:
+        anim002_data = f.read()
+except:
+    print("Could not find animimg002.png")
+    sys.exit()
+    
+anim_imgs[1] = lv.img_dsc_t({
+  'data_size': len(anim002_data),
+  'data': anim002_data 
+})
+
+try:
+    with open('../../assets/animimg003.png','rb') as f:
+        anim003_data = f.read()
+except:
+    print("Could not find animimg003.png")
+    sys.exit()
+    
+anim_imgs[2] = lv.img_dsc_t({
+  'data_size': len(anim003_data),
+  'data': anim003_data 
+})
+
+animimg0 = lv.animimg(lv.scr_act())
+animimg0.center()
+animimg0.set_src(anim_imgs, 3)
+animimg0.set_duration(1000)
+animimg0.set_repeat_count(lv.ANIM_REPEAT.INFINITE)
+animimg0.start()
+
+
+