Add 1km as radius for locationTag

lib/core/constants.dart

@@ -60,7 +60,7 @@ const publicLinkDeviceLimits = [50, 25, 10, 5, 2, 1];
 
 const kilometersPerDegree = 111.16;
 
-const radiusValues = <int>[2, 10, 20, 40, 80, 200, 400, 1200];
+const radiusValues = <int>[1, 2, 10, 20, 40, 80, 200, 400, 1200];
 
 const defaultRadiusValueIndex = 4;