motor tutorials (#895)

* updated pivots

* redirect support to forum

* adding top level FLL link

* updated wording

docs/tutorials/motors.md

@@ -9,6 +9,24 @@
   "cardType": "tutorial",
   "url":"/tutorials/run-motors",
   "imageUrl":"/static/tutorials/run-motors.png"
+}, {
+  "name": "Spin Turn",
+  "description": "Turn the driving base around its center.",
+  "cardType": "example",
+  "url":"/tutorials/spin-turn",
+  "imageUrl":"/static/tutorials/spin-turn.png"
+}, {
+  "name": "Pivot Turn",
+  "description": "Turn the driving base around a wheel.",
+  "cardType": "example",
+  "url":"/tutorials/pivot-turn",
+  "imageUrl":"/static/tutorials/pivot-turn.png"
+}, {
+  "name": "Smooth Turn",
+  "description": "Turn the driving base in a smooth motion.",
+  "cardType": "example",
+  "url":"/tutorials/smooth-turn",
+  "imageUrl":"/static/tutorials/smooth-turn.png"
 }, {
   "name": "Tank ZigZag",
   "description": "Use the tank block to keep motors in sync.",
@@ -21,3 +39,7 @@
 ## See Also
 
 [Run Motors](/tutorials/run-motors),
+[Spin Turn](/tutorials/spin-turn),
+[Pivot Turn](/tutorials/pivot-turn),
+[Smooth Turn](/tutorials/smooth-turn),
+[Tank ZigZag](/tutorials/tank-zigzag),