adding survey completed

docs/thank-you.md

@@ -0,0 +1,10 @@
+# You completed the survey!
+
+```sim
+basic.forever(() => { basic.showString("THANK YOU") })
+```
+
+Thank you for participating in this survey.
+
+Please contact Michael Braun at WW PS Edu [v-braum@microsoft.com](mailto:v-braum@microsoft.com) 
+or Claudine O’Leary at WW PS Edu [clolea@microsoft.com](clolea@microsoft.com) with any information you think we might find useful.