adding micropython examples (#2286)

* adding micropython examples

* adding micropython examples

examples/get_started/lv_example_get_started_1.py

@@ -0,0 +1,29 @@
+class CounterBtn():
+    def __init__(self):
+        self.cnt = 0
+        #
+        # Create a button with a label and react on click event.
+        #
+
+        btn = lv.btn(lv.scr_act())                               # Add a button the current screen
+        btn.set_pos(10, 10)                                      # Set its position
+        btn.set_size(120, 50)                                    # Set its size
+        btn.align(lv.ALIGN.CENTER,0,0)
+        btn.add_event_cb(self.btn_event_cb, lv.EVENT.ALL, None)  # Assign a callback to the button
+        label = lv.label(btn)                                    # Add a label to the button
+        label.set_text("Button")                                 # Set the labels text
+        label.center()
+
+    def btn_event_cb(self,evt):
+        code = evt.get_code()
+        btn = evt.get_target()
+        if code == lv.EVENT.CLICKED:
+            self.cnt += 1
+
+        # Get the first child of the button which is the label and change its text
+        label = lv.label.__cast__(btn.get_child(0))
+        label.set_text("Button: " + str(self.cnt))
+
+
+counterBtn = CounterBtn()
+