What are the details of the joint phasing-in plan by her department and the Department of Basic Education for the reopening of early childhood development centres (ECDs) under level 3 of the risk adjusted approach to Covid-19 within the Republic in terms of (a) on what date will ECDs be allowed to open under level 3, (b) will ECDs be allowed to open in provinces which remain on level 4, (c) will ECDs be provided with personal protective equipment (PPE) from the Government, (d) the total number of children that will be permitted in each ECD facility, (e) who will be enforcing social distancing and PPE regulations within ECDs and (f) what training ECD facilitators and/or practitioners will receive in preparation to receive learners?