add ssh setup files

install/02-ssh.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+#
+# After running this script:
+#   1. ssh-keygen is run # TODO
+#   2. ssh dotfiles are symlinked
+#
+
+# 1. ssh dotfiles are symlinked
+readonly ssh_source="$dotfiles_dir/ssh"
+readonly ssh_target="$HOME/.ssh"
+link_folder "$ssh_source" "$ssh_target"
+printf "ssh dotfiles are symlinked\n"
+cat "$ssh_target/id_rsa.pub"