Blinking LED example with system statistics printed to terminal

Revision:
0:03c15e688f62
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed_app.json	Mon Mar 25 22:28:40 2019 -0500
@@ -0,0 +1,11 @@
+{
+    "target_overrides": {
+        "*": {
+            "platform.stack-stats-enabled": true,
+            "platform.heap-stats-enabled": true,
+            "platform.cpu-stats-enabled": true,
+            "platform.thread-stats-enabled": true,
+            "platform.sys-stats-enabled": true
+        }
+    }
+}