Update example.

Author: kattni

README.rst

@@ -61,17 +61,17 @@ from adafruit_pybadger import PyBadger
 pybadger = PyBadger()
 
 while True:
-    pybadger.badge(hello_scale=2, my_name_is_scale=2, name_scale=3)
+    pybadger.show_badge(hello_scale=2, my_name_is_scale=2, name_scale=3)
     pybadger.auto_dim_display()
 
     if pybadger.button.a:
-        pybadger.business_card(image_name="Blinka.bmp")
+        pybadger.show_business_card(image_name="Blinka.bmp")
     elif pybadger.button.b:
         print("b B")
     elif pybadger.button.start:
         print("b start")
     elif pybadger.button.select:
-        pybadger.qr_code()
+        pybadger.show_qr_code()
 
 Contributing
 ============