bump V3

docs/blocks/loops/for-of.md

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+# @extends
+
+## #examples
+
+## Example: Find the highest number
+
+Find the highest number in a list of numbers. Display the highest number on the screen.
+
+```blocks
+let list: number[] = []
+let highest = 0
+highest = 0
+list = [5, 8, 6, 2, 4, 3, 7, 1]
+for (let value of list) {
+	if (value > highest) {
+        highest =  value
+    }
+}
+basic.showNumber(highest)
+```

docs/blocks/loops/for.md

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+# @extends
+
+## #examples
+
+## Example: Count to 4
+
+This program will show the numbers 0, 1, 2, 3, and 4 one after another on the LED screen.
+
+```blocks
+input.onButtonPressed(Button.A, () => {
+    for(let i = 0; i < 5; ++i) {
+        basic.showNumber(i)
+    }
+})
+```

docs/blocks/loops/repeat.md

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+# @extends
+
+## #examples
+
+## Example: Blinking heart
+
+Flash the ``heart`` icon on the screen `4` times.
+
+```blocks
+for (let i = 0; i < 4; i++) {
+    basic.showIcon(IconNames.Heart)
+    basic.pause(300)
+    basic.clearScreen()
+    basic.pause(300)
+}
+```

docs/blocks/loops/while.md

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+# @extends
+
+## #examples
+
+## Example: diagonal line
+
+The following example uses a while loop to make a diagonal line on the LED screen (points `0, 0`, `1, 1`, `2, 2`, `3, 3`, `4, 4`).
+
+```blocks
+input.onButtonPressed(Button.A, () => {
+    let index = 4;
+    while(index >= 0) {
+        led.plot(index, index);
+        index--;
+    }
+})
+```