Update 'Keypair Generation'

Keypair-Generation.md

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+Generating Keypairs
+
+> MagicBox comes supplied with a read-only deployment key which allows it to pull changes from the repo.  Users must not use this key outside of MagicBox.
+
+* A keypair can be used to authenticate with the repo instead of a password.
+* This same keypair can be used for ssh authentication in bare metal Magicbane deployments.
+
+From your home directory  (GitBash can be used in Windows installs)
+
+`ssh-keygen -t rsa`
+
+Select the defaults for passphrase and location.
+
+`cat .ssh/id_rsa.pub`
+
+![SettingsMenu](https://cdn.discordapp.com/attachments/534260038039109632/973124781614452736/unknown.png)
+
+Under Settings add your new SSH public key.
+
+![ManageKeys](https://cdn.discordapp.com/attachments/534260038039109632/973125791430881290/unknown.png)
+
+Now we need to tell our Magicbane instance to pull via ssh.
+
+
+```console
+$cd magicbane/build/Server
+$~/mb_dev/build/Server$ git remote -v
+origin  http://repo.magicbane.com/MagicBane/Server.git (fetch)
+origin  http://repo.magicbane.com/MagicBane/Server.git (push)
+```
+