[Super Admin/ Organisations/ Shelters] display new information on the Shelters table

[teodoranegru]

Display in the Shelters table, from an organisation page, the following information regarding each shelter:

Occupancy - total number of beneficiaries who are currently hosted in the shelter
Availability - total number of available places per capacity (24/50)
All time beneficiaries - total number of

[andreiio]

@teodoranegru we already have capacity in the table, and I'm adding occupancy now. Why should we include availability, when that duplicates the other two columns?