Add taskforce leadership section to README, add Darius Kazemi as co-c…

…hair (#44)

* Add section on taskforce leadership to README.md

* Change language from "chair" to "lead" per charter documents

README.md

@@ -12,6 +12,15 @@ It is used:
 
 **Note:** we cannot directly change or improve various software that implements ActivityPub within the scope of this Taskforce, for that, please file issues with the respective project's issue trackers, potentially cross referencing issues here.
 
+## Taskforce Leadership
+
+This taskforce is led by:
+
+- Emelia Smith ([@thisismissem](https://github.com/thisismissem) / [@thisismissem@hachyderm.io](https://hachyderm.io/@thisismissem))
+- Darius Kazemi ([@dariusk](https://github.com/dariusk) / [@darius@friend.camp](https://friend.camp/@darius))
+
+Emelia and Darius are responsible for coordinating and running the taskforce meetings, their primary role is to facilitate consensus-building among taskforce members.
+
 ## Scope of work
 
 The initial scope of work for this task force is split into three workstreams, as follows: