[WriteLog] WriteLog's FlexRadio driver updated

[Wayne, W5XD]

For those running a Flex-6000 series radio with WriteLog. If you've
upgrade to SmartSDR version 3 (or plan to) then you must update to
WriteLog's new driver. (Older versions of WriteLog's driver just display
"No Slice" for a radio upgraded to SmartSDR 3.)

This driver also makes for much integration with SDR-Bridge and CW Skimmer:
https://writelog.com/improved-sdr-bridge-and-cw-skimmer-integration
You'll have to click a couple of links before you find the driver
installer download, but I am trying to force the documentation onto your
screen, even if you won't read it.

I had not realized until this little project how easy it is to connect
CW Skimmer to an IQ stream. Even if you do not have a Flex, you still
might want to have a look at this screen shot:
https://writelog.com/images/workingSkimmerAndWlAndFlex.png

Wayne