put lessons back for Michael

docs/lessons/smiley.md

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+# smiley blocks lesson 
+
+Design a blinking image lesson
+
+## Topic 
+
+Show LEDs
+
+## Quick Links
+
+* [activity](/lessons/smiley/activity)
+* [quiz](/lessons/smiley/quiz)
+* [quiz answers](/lessons/smiley/quiz-answers)
+* [challenges](/lessons/smiley/challenges)
+
+## Prior learning/place of lesson in scheme of work 
+
+Learn how to **show LEDs** to turn on a LED light pattern on the LED screen. We will be learning basic comments such as show LEDs and pause.
+
+## Documentation
+
+* **show LEDs** : [read more...](/reference/basic/show-leds)
+* **on button pressed** : [read more...](/reference/input/on-button-pressed)
+
+```cards
+input.onButtonPressed(Button.A, () => {})
+basic.showLeds(`
+    . . . . .
+    . . . . .
+    . . # . .
+    . . . . .
+    . . . . .
+    `)
+```
+
+## Objectives
+
+* learn how to show LEDs on the LED screen
+* learn how to run code when an input button is pressed
+