[FEATURE] Add Count of Regions in Estate to Manage Estates Page

[IAmNolanPerry]

Already can get number of regions in estate via

/data/estate/count/{estate id}

https://demo.vortexapp.tk/data/estate/count/101

Must Be Logged in to use,

Javascript has basic template,

each html element that needs a count in it has the ID of "estate-{estateid}",
Use a Onload Function to call a function for this

Add it in view "land/estatemanage.php"