Update tasks.json

add horizon of 0 as optional

Author: shauntruelove

hub-config/tasks.json

@@ -162,7 +162,7 @@
                  },
                  "horizon": {
                      "required": [1, 2, 3, 4],
-                     "optional": [5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29]
+                     "optional": [0, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29]
                  },
                  "location": {
                      "required": null,