Host github.com
   HostName github.com
   User git
   IdentityFile ~/.ssh/id_ed25519_personal
   IdentitiesOnly yes
   IdentityAgent SSH_AUTH_SOCK
   
Host itba.github.com
   HostName github.com
   User git
   IdentityFile ~/.ssh/id_ed25519_itba
   IdentitiesOnly yes
   IdentityAgent SSH_AUTH_SOCK