Add ssh-keygen troubleshooting info for Windows

Added troubleshooting instructions to help avoid binary conflicts with the ssh-keygen binary between Git for Windows and Window's OpenSSH.

Author: Infinitay

content/authentication/connecting-to-github-with-ssh/generating-a-new-ssh-key-and-adding-it-to-the-ssh-agent.md

@@ -176,6 +176,12 @@ Before adding a new SSH key to the ssh-agent to manage your keys, you should hav
 > ```powershell
 > git config --global core.sshCommand "C:/Windows/System32/OpenSSH/ssh.exe"
 > ```
+> 
+> Furthermore, you may need to specify which `ssh-keygen` binary Git should use to avoid conflicts with the binary bundled with Git for Windows. To define which binary is used, run the following command:
+> ```powershell
+> git config --global gpg.ssh.program "C:/Windows/System32/OpenSSH/ssh-keygen.exe"
+> ```
+> Alternatively, you can re-install Git for Windows and select the "Use external OpenSSH" option during the installation process.
 
 
 {% endwindows %}