[indicators] Added the 'future' property.

paths/qoc_indicatorsets.yaml

@@ -70,6 +70,10 @@ get:
                     careprogram:
                       $ref: '../schemas/CareProgram-enum.yaml'
                       description: The kind of chronic care that this care program caters to. Can be omitted in cases where this care program doesn't cover a generally accepted protocolized chronic care condition. That is often the case with new research projects.
+                    future:
+                      type: boolean
+                      description: |-
+                        This set is a sneak peek; it is not (yet) the official guideline, and is still being evaluated.
                     callup:
                       type: boolean
                       description: |-