Add suggested values for low power mode

wasm/follow.go

@@ -91,9 +91,17 @@ func (c *Cmix) StopNetworkFollower(js.Value, []js.Value) any {
 // of the device following the network.
 //   - Low period -> Higher frequency of polling -> Higher battery usage
 //   - High period -> Lower frequency of polling -> Lower battery usage
+//
 // This may be used to enable a low power (or battery optimization) mode
 // for the end user.
 //
+// Suggested values are provided, however there are no guarantees that these
+// values will perfectly fit what the end user's device would require to match
+// the user's expectations:
+//   - Low Power Usage: 5000 milliseconds
+//   - High Power Usage: 1000 milliseconds (default, see
+//     [cmix.DefaultFollowPeriod]
+//
 // Parameters:
 //   - args[0] - The duration of the period, in milliseconds (int).
 func (c *Cmix) SetTrackNetworkPeriod(_ js.Value, args []js.Value) any {