Car docs: add video for Nissan Leaf (#26901)

* CAR.LEAF: NissanCarInfo("Nissan Leaf 2018-22”), video_link= "https://youtu.be/vaMbtAh_0cY&t=0s"),

Add Youtube video 2019 Leaf

* Update selfdrive/car/nissan/values.py

Co-authored-by: Shane Smiskol <shane@smiskol.com>

selfdrive/car/nissan/values.py

@@ -39,7 +39,7 @@ class NissanCarInfo(CarInfo):
 
 CAR_INFO: Dict[str, Optional[Union[NissanCarInfo, List[NissanCarInfo]]]] = {
   CAR.XTRAIL: NissanCarInfo("Nissan X-Trail 2017"),
-  CAR.LEAF: NissanCarInfo("Nissan Leaf 2018-22"),
+  CAR.LEAF: NissanCarInfo("Nissan Leaf 2018-22", video_link="https://youtu.be/vaMbtAh_0cY"),
   CAR.LEAF_IC: None,  # same platforms
   CAR.ROGUE: NissanCarInfo("Nissan Rogue 2018-20"),
   CAR.ALTIMA: NissanCarInfo("Nissan Altima 2019-20", harness=Harness.nissan_b),