Fix sketch and add complete sketch

Author: marqdevx

content/hardware/05.nicla/boards/nicla-vision/tutorials/proximity/content.md

@@ -68,7 +68,8 @@ Also the RGB LED needs to be set as an output to make it light up.
 ```cpp
   void setup(){
     Serial.begin(115200);
-
+    Wire1.begin();
+    
     pinMode(LEDB,OUTPUT);
     digitalWrite(LEDB, blinkState);
     
@@ -101,6 +102,48 @@ The sketch is going to get the reading on every loop, store it and then the stat
   }
 ```
 
+### Complete Sketch
+
+```cpp
+    #include <Wire.h>
+  #include "VL53L1X.h"
+  VL53L1X proximity(Wire1);
+
+  bool blinkState = false;
+  int reading = 0;
+  int timeStart = 0;
+  int blinkTime = 2000;
+
+  void setup(){
+    Serial.begin(115200);
+    Wire1.begin();
+    
+    pinMode(LEDB,OUTPUT);
+    digitalWrite(LEDB, blinkState);
+    
+    if (!proximity.init()){
+      Serial.println("Failed to detect and initialize sensor!");
+      while (1);
+    }
+
+    proximity.setDistanceMode(VL53L1X::Long);
+    proximity.setMeasurementTimingBudget(10000);
+    proximity.startContinuous(10);
+  }
+
+  void loop(){
+    reading = proximity.read();
+    Serial.println(reading);
+
+    if (millis() - timeStart >= reading){
+      digitalWrite(LEDB, blinkState);
+      timeStart = millis();
+
+      blinkState = !blinkState;
+    }
+  }
+```
+
 ## API
 | Command                              |                           Details                            | type              |
 | :----------------------------------- | :----------------------------------------------------------: | :---------------- |