adding location set to available in every month

app/ui/MonthLocationList.tsx

@@ -81,12 +81,7 @@ export const MonthLocationList:React.FC<MonthLocationListProps  > = ({
                             locations.map((location, ix) => <LocationCard key={`location-${location._id}`} location={location} />)
                             : null
                     }
-                    {
-                        yearMonth.month === expandedMonth ? 
-                            // show AddLocationButton as a last item in the first month
-                            (monthIx === 0 ? <AddLocationButton yearMonth={yearMonth} /> : null)
-                            : null
-                    }
+                    <AddLocationButton yearMonth={yearMonth} />
                 </MonthCard>
                 )
             }