Update README.md

Signed-off-by: Va&Cob <ratthaninw@gmail.com>

Author: VaAndCob

README.md

@@ -49,6 +49,7 @@ buy here  https://s.click.aliexpress.com/e/_Ew95gMl
 - VIN Read on the About page.
 
 ## You can flash firmware directly to ESP32 here
+https://vaandcob.github.io/webflasher/flasher/webflasher.html
 https://vaandcob.github.io/ESP32-OBD2-Gauge/sketch/firmware/webinstall.html
 
 ## [☕ Buy me coffee](buymeacoffee.com/vaandcob)