Update README.md

README.md

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 This CI service patches recovery images of Samsung to enable Fastbootd. Based on Phh's [script](https://github.com/phhusson/samsung-galaxy-a51-gsi-boot)
 
 # How to use:
+- Fork this repo.
 - Upload your recovery to https://www.filesend.jp/l/en-US/ or any other file hosting sites. Once uploaded right click on the Download button and copy the URL
 - Head over to Actions tab. Click on RECOVERY and then Run workflow. Insert the copied URL in the RECOVERY URL field and Start the workflow
 - The Patching process will start