adding example pages

docs/docs.md

@@ -6,6 +6,7 @@
 
 * **[Getting Started](/getting-started)**
 * [Projects](/projects)
+* [Examples](/examples)
 * [Lessons](/lessons)
 
 ### @boardname@ reference

docs/examples.md

@@ -0,0 +1,13 @@
+# Examples
+
+Here are some fun programs for your @boardname@!
+
+```codecard
+[{
+  "name": "Plot Acceleration",
+  "url":"/examples/plot-acceleration"
+}, {
+  "name": "Plot Light Level",
+  "url":"/examples/plot-light-level"
+}]
+```

docs/examples/plot-acceleration.md

@@ -0,0 +1,10 @@
+## Plot Acceleration
+
+```blocks
+basic.forever(() => {
+    led.plotBarGraph(
+        input.acceleration(Dimension.X),
+        1023
+    )
+})
+```

docs/examples/plot-light-level.md

@@ -0,0 +1,10 @@
+## Plot Light level
+
+```blocks
+basic.forever(() => {
+    led.plotBarGraph(
+        input.lightLevel(),
+        255
+    )
+})
+```

pxtarget.json

@@ -208,6 +208,7 @@
         "termsOfUseUrl": "https://go.microsoft.com/fwlink/?LinkID=206977",
         "githubUrl": "https://github.com/Microsoft/pxt-microbit",
         "projectGallery": "projects",
+        "exampleGallery": "examples",
         "crowdinProject": "kindscript",
         "boardName": "micro:bit",
         "sideDoc": "tutorials/getting-started",