fixup! Add line thickness option for templates

spec/pattern.yaml

@@ -97,6 +97,11 @@ components:
                 $ref: '#/components/schemas/pointID'
             end:
                 $ref: '#/components/schemas/pointID'
+        style:
+          type: object
+          properties:
+            thickness:
+              type: number
     pointID:
       oneOf:
         - type: integer