Add Autoscroll checkbox to bottom of ESPFlashtool to the serial output section section

[patdelaney]

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While debugging / testing I would like to output of the module connectedat times to just autoscroll

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Please add a checkbox to the bottom of the tool similar to what is in Serial monitor in Arduino IDE

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[MartinMueller2003]

Serial output is set to auto scroll any time the output is updated. It will always show the latest messages. Did you want the ability to turn that off?