Adding comment describing the compatible boards for each sketch

Author: aentinger

examples/ArduinoIoTCloud_LED_switch/ArduinoIoTCloud_LED_switch.ino

@@ -10,6 +10,10 @@
   By default, settings for WiFi are chosen. If you prefer to use a GSM board take a look at thingProperties.h arduino_secrets.h,
   to make sure you uncomment what's needed and comment incompatible instructions.
 
+  This sketch is compatible with:
+   - MKR 1000
+   - MKR WIFI 1010
+   - MKR GSM 1400
 */
 #include "arduino_secrets.h"
 #include "thingProperties.h"

examples/ArduinoIoTCloud_Travis_CI/ArduinoIoTCloud_Travis_CI.ino

@@ -2,6 +2,11 @@
    This sketch is used in combination with Travis CI to check if
    unintentional breaking changes are made to the used facing
    Arduino IoT Cloud API.
+
+   This sketch is compatible with:
+     - MKR 1000
+     - MKR WIFI 1010
+     - MKR GSM 1400
 */
 
 #include "arduino_secrets.h"

examples/GSM_Cloud_Blink/GSM_Cloud_Blink.ino

@@ -1,3 +1,11 @@
+/* This sketch is used during the getting started tutorial when
+   initialising a Arduino cloud-enabled board with the Arduino
+   cloud for the first time.
+
+   This sketch is compatible with:
+     - MKR GSM 1400
+*/
+
 #include <ArduinoIoTCloud.h>
 #include <ConnectionManager.h>
 #include <GSMConnectionManager.h>

examples/MultiValue_example/MultiValue_example.ino

@@ -12,6 +12,10 @@
   Properties which are marked as READ/WRITE in the Cloud Thing will also have functions
   which are called when their values are changed from the Dashboard.
   These functions are generated with the Thing and added at the end of this sketch.
+
+  This sketch is compatible with:
+    - MKR 1000
+    - MKR WIFI 1010
 */
 
 #include "thingProperties.h"

examples/WiFi_Cloud_Blink/WiFi_Cloud_Blink.ino

@@ -1,3 +1,12 @@
+/* This sketch is used during the getting started tutorial when
+   initialising a Arduino cloud-enabled board with the Arduino
+   cloud for the first time.
+
+   This sketch is compatible with:
+     - MKR 1000
+     - MKR WIFI 1010
+*/
+
 #include <ArduinoIoTCloud.h>
 #include <ConnectionManager.h>
 #include <WiFiConnectionManager.h>