Merge pull request github#1074 from GuillaumeBAECHLER/patch-1

Update add-ssh-key-to-ssh-agent documentation

Author: shati-patel

data/reusables/ssh/add-ssh-key-to-ssh-agent-commandline.md

@@ -1,3 +1,3 @@
 ```shell
-$ ssh-add ~/.ssh/id_rsa
+$ ssh-add ~/.ssh/id_ed25519
 ```

data/reusables/ssh/add-ssh-key-to-ssh-agent.md

@@ -1 +1 @@
-If you created your key with a different name, or if you are adding an existing key that has a different name, replace *id_rsa* in the command with the name of your private key file.
+If you created your key with a different name, or if you are adding an existing key that has a different name, replace *id_ed25519* in the command with the name of your private key file.