doc updates

docs/docs.md

@@ -1,8 +1,35 @@
 # Documentation
 
-Welcome to the documentation.
+```sim
+basic.forever(() => {
+  basic.showString("DOCS ");
+})
+input.onButtonPressed(Button.A, () => {
+    led.stopAnimation();
+    basic.showLeds(`
+. . . . .
+. # . # .
+. . . . .
+# . . . #
+. # # # .`);
+});
+input.onButtonPressed(Button.B, () => {
+    led.stopAnimation();
+    basic.showLeds(`
+. # . # .
+# . # . #
+# . . . #
+. # . # .
+. . # . .`);
+});
+``` 
 
+* **[getting started](/getting-started)**   
 * Browse the [API reference](/reference)
 * Learn more about the [device](/device)
 * Get started with [lessons](/lessons)
-* Learn about [libraries](/libraries) (possibly using C++)
+* Follow up with the [release notes](/release-notes)
+
+### Developers
+
+* Learn about [packages](/packages) (possibly using C++ or ARM thumb)