Add tasks for all the new languages

Task/100-doors/FutureBasic/100-doors.futurebasic

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+include "ConsoleWindow"
+
+dim as short door, square : square = 1
+dim as short increment : increment = 3
+
+for door = 1 to 100
+   if (door == square)
+      print "Door"; door; " is open."
+      square += increment
+      increment += 2
+   else
+      print "Door"; door; " is closed."
+   end if
+next