Added signals check example

examples/TouchPads/Touch_signals/Touch_signals.ino

@@ -0,0 +1,28 @@
+// Touch Buttons test
+
+#include <Arduino_MKRIoTCarrier.h>
+MKRIoTCarrier carrier;
+
+int msr[5];
+
+void setup() {
+  // put your setup code here, to run once:
+  //CARRIER_CASE = false;     //No needed to use it, default false
+  Serial.begin(9600);
+  carrier.begin();
+
+
+}
+
+void loop() {
+  // put your main code here, to run repeatedly:
+  for (int i = 0; i < 5; i++) {
+    msr[i] = analogRead(i);
+    Serial.print(i);
+    Serial.print(" - ");
+    Serial.print(msr[i]);
+    Serial.print("\t");
+  }
+  Serial.println();
+
+}