add Next buttons to projects

docs/projects/banana-keyboard-challenges.md

@@ -59,5 +59,6 @@ input.onPinPressed(TouchPin.P2, () => {
 
 * click *run* to see if the code works as expected.
 
-
+### ~button /projects/telegraph
-
+NEXT: Telegraph
+### ~

docs/projects/compass.md

@@ -104,3 +104,6 @@ basic.forever(() => {
 });
 ```
 
+### ~button /projects/hack-your-headphones
+NEXT: Hack Your Headphones
+### ~

docs/projects/flashing-heart.md

@@ -113,3 +113,7 @@ basic.clearScreen();
 basic.pause(500);
 })
 ```
+
+### ~button /projects/smiley-buttons
+NEXT: Smiley Buttons
+### ~

docs/projects/hack-your-headphones-challenges.md

@@ -71,3 +71,6 @@ input.onButtonPressed(Button.A, () => {
 
 * click *compile* and run your code on the micro:bit.
 
+### ~button /projects/banana-keyboard
+NEXT: Banana Keyboard
+### ~

docs/projects/love-meter.md

@@ -48,3 +48,7 @@ input.onPinPressed(TouchPin.P2, () => {
         `);
 });
 ```
+
+### ~button /projects/rock-paper-scissors
+NEXT: Rock Paper Scissors
+### ~

docs/projects/radio-challenges.md

@@ -86,3 +86,7 @@ Have fun reviewing your simulation and analyze the acceleration by chart the Exc
 * The first person and second person take turns tilting the micro:bit in the "x" direction while the other player charts the data on the micro:bit!
 * Review and analyze the actual micro:bit device acceleration data on Excel
 * Display acceleration with y or z using plot bar graph by changing acceleration from "x" to "y" or "z" 
+
+### ~button /projects/the-watch
+NEXT: The Watch
+### ~

docs/projects/rock-paper-scissors.md

@@ -235,3 +235,7 @@ input.onButtonPressed(Button.B, () => {
 
 How else can you make your game better?
 Ever hear of [Rock Paper Scissors Spock Lizard](http://www.samkass.com/theories/RPSSL.html)?
+
+### ~button /projects/compass
+NEXT: Compass
+### ~

docs/projects/smiley-buttons.md

@@ -67,3 +67,7 @@ input.onButtonPressed(Button.B, () => {
     . # # # .`);
 });
 ```
+
+### ~button /projects/love-meter
+NEXT: Love Meter
+### ~

docs/projects/telegraph-challenges.md

@@ -108,3 +108,7 @@ Your telegraph is ready!
 * Connect the first micro:bit to your computer using your USB cable and put the telegraph script on it.
 * Connect the second micro:bit to your computer using your USB cable and run the telegraph script on it.
 * The first person and second person take turns pressing button A to play the telegraph game!
+
+### ~button /projects/radio
+NEXT: Radio
+### ~