add tutorials link

Author: oxxostudio

blockly/blocks.js

@@ -1,3 +1,6 @@
+var mainUrl = 'https://tutorials.webduino.io/zh-tw/docs/';
+var utmUrl = '?utm_source=cloud-blockly&utm_campaign=help_url';
+
 Blockly.Blocks['gps_new'] = {
   init: function () {
     this.appendDummyInput()
@@ -34,7 +37,7 @@ Blockly.Blocks['gps_new'] = {
     this.setOutput(true);
     this.setColour(230);
     this.setTooltip('');
-    this.setHelpUrl('https://webduino.io');
+    this.setHelpUrl(mainUrl + 'basic/index.html' + utmUrl); 
   }
 };
 
@@ -56,7 +59,7 @@ Blockly.Blocks['gps_read'] = {
     this.setNextStatement(true, null);
     this.setColour(65);
     this.setTooltip('');
-    this.setHelpUrl('https://webduino.io');
+    this.setHelpUrl(mainUrl + 'basic/index.html' + utmUrl); 
   }
 };
 
@@ -74,6 +77,6 @@ Blockly.Blocks['gps_get_data'] = {
     this.setOutput(true, null);
     this.setColour(35);
     this.setTooltip('');
-    this.setHelpUrl('https://webduino.io');
+    this.setHelpUrl(mainUrl + 'basic/index.html' + utmUrl); 
   }
 };