Split projects (#1194)

* split projets into multiple categories

* split games

* bring back example

docs/projects/games.md

@@ -0,0 +1,31 @@
+# Games
+
+Here are some cool projects that you can build with your @boardname@!
+
+## Fun games
+
+Fun games to build with your @boardname@.
+
+```codecard
+[{
+  "name": "Rock Paper Scissors",
+  "url":"/projects/rock-paper-scissors",
+  "imageUrl":"/static/mb/projects/a4-motion.png"
+}, {
+  "name": "Magic Button Trick",
+  "url":"/projects/magic-button-trick",
+  "imageUrl":"/static/mb/projects/magic-button-trick.png"
+}, {
+  "name": "Reaction Time",
+  "url":"/projects/reaction-time",
+  "imageUrl":"/static/mb/projects/reaction.jpg"
+}, {
+  "name": "Salute!",
+  "url":"/projects/salute",
+  "imageUrl":"/static/mb/projects/salute.png"
+}, {
+  "name": "Karel the LED",
+  "url": "/projects/karel",
+  "imageUrl": "/static/mb/projects/karel.png"
+}]
+```